สถิติ
เปิดเมื่อ28/01/2015
อัพเดท19/06/2024
ผู้เข้าชม2288893
แสดงหน้า2809392
ปฎิทิน
December 2024
Sun Mon Tue Wed Thu Fri Sat
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
    
สมาชิก

สมัครสมาชิก | ลืมรหัสผ่าน

ทังสเตนคาร์ไบด์

อ่าน 772805 | ตอบ 8490
ทังสเตนคาร์ไบด์
       ทังสเตนคาร์ไบด์ (อังกฤษ: tungsten carbide) มีสูตรเคมีคือ WC ในรูปพื้นฐานจะมีลักษณะเป็นผงสีเทาละเอียด มี 2 โครงสร้างคือแบบหกเหลี่ยม (α-WC) และแบบลูกบาศก์ (β-WC)
 
       ทังสเตนคาร์ไบด์เตรียมได้จากการทำปฏิกิริยาระหว่างทังสเตนกับคาร์บอนที่อุณหภูมิ 1400–2000 °C[3] หรือให้ความร้อนกับทังสเตนไตรออกไซด์และแกรไฟต์โดยตรงที่ 900 °C หรือในแก๊สไฮโดรเจนที่ 670 °C ตามด้วยการคาร์บิวไรเซชันในแก๊สอาร์กอนที่ 1000 °C[4] หรือใช้วิธีการเคลือบด้วยไอเคมี เช่น
  • ทำปฏิกิริยาระหว่างทังสเตนเฮกซะคลอไรด์กับไฮโดรเจนและมีเทนที่อุณหภูมิ 670 °C (1,238 °F)
 WCl6 + H2 + CH4 WC + 6 HCl
  • ทำปฏิกิริยาระหว่างทังสเตนเฮกซะฟลูออไรด์กับไฮโดรเจนและเมทานอลที่อุณหภูมิ 350 °C (662 °F)
                WF6 + 2 H2 + CH3OH → WC + 6 HF + H2O
       ทังสเตนคาร์ไบด์มีจุดหลอมเหลวที่ 2,870 °C (5,200 °F) และจุดเดือดที่ 6,000 °C (10,830 °F) มีความแข็งระดับ 9 ตามมาตราโมสและประมาณ 2600 ตามมาตราวิกเคอส์[5] ทังสเตนคาร์ไบด์มีความแข็งเกร็งมากกว่าเหล็กกล้าประมาณ 2 เท่า มีค่ามอดุลัสของยังประมาณ 530–700 GPa (77,000–102,000 ksi)[2][6][5][7] โมดูลัสของแรงบีบอัด 630–655 GPa และโมดูลัสของแรงเฉือน 274 GPa[8]
 
ด้วยคุณสมบัติความแข็งและทนความร้อนสูง ทังสเตนคาร์ไบด์จึงใช้ทำเป็นเครื่องมือตัดหรือหัวเจาะ ใช้ทำกระสุนเจาะเกราะ เครื่องมือผ่าตัด อุปกรณ์กีฬา เครื่องประดับและอื่น ๆ
 
 
 
 
 
 
 
 
 
 
อ้างอิง
 
  1. Kurlov, p. 22
  2. Blau, Peter J. (2003). Wear of Materials. Elsevier. p. 1345. ISBN 978-0-08-044301-0.
  3. Pierson, Hugh O. (1992). Handbook of Chemical Vapor Deposition (CVD): Principles, Technology, and Applications. William Andrew Inc. ISBN 0-8155-1300-3.
  4. Zhong, Y.; Shaw, L. (2011). 'A study on the synthesis of nanostructured WC–10 wt% Co particles from WO3 , Co3O4 , and graphite'. Journal of Materials Science 46 (19): 6323–6331. Bibcode:2011JMatS..46.6323Z. doi:10.1007/s10853-010-4937-y.
  5. Groover, Mikell P. (2010). Fundamentals of Modern Manufacturing: Materials, Processes, and Systems. John Wiley & Sons. p. 135. ISBN 978-0-470-46700-8.
  6. Kurlov, p. 3
  7. Cardarelli, François (2008). Materials Handbook: A Concise Desktop Reference. Springer Science & Business Media. pp. 640–. ISBN 978-1-84628-669-8.
  8. Kurlov, pp. 30, 135
  9. Sprince, NL.; Chamberlin, RI.; Hales, CA.; Weber, AL.; Kazemi, H. (1984). 'Respiratory disease in tungsten carbide production workers'. Chest 86 (4): 549–557. PMID 6434250. doi:10.1378/chest.86.4.549.
  10. 12th Report on Carcinogens'. National Toxicology Program. http://ntp.niehs.nih.gov/go/roc12. เรียกข้อมูลเมื่อ 2011-06-24.
ความคิดเห็น :
4798
อ้างอิง

dfsd

Good info. Lucky me I reach on your website by accident, I bookmarked it. Casibom Resmi Adresimiz için Tıklayin.
................................................................................

 
dfsd [210.89.39.xxx] เมื่อ 31/05/2023 23:21
4799
อ้างอิง

лучшие сериалы смотреть онлайн
это современный сервис, где можно смотреть любимые фильмы, сериалы и мультфильмы совершенно бесплатно. 
лучшие сериалы смотреть онлайн
 
лучшие сериалы смотреть онлайн [137.59.221.xxx] เมื่อ 1/06/2023 00:51
4800
อ้างอิง

dsfsdf

You fool, I’m really not. I love this article so much that I’m a fool. You’re a fool. I think I found the reason why I was born here. I was born to see your writing. Thank you so much. I’ll always ask for a good one
................................................................................

 
dsfsdf [210.89.39.xxx] เมื่อ 1/06/2023 01:12
4801
อ้างอิง

Digital Marketing Lahore
I love this blog!!!!
<a href='https://digitalmarketinginlahore.com/'>Digital Marketing in Lahore</a>
<a href='https://digitalmarketinginlahore.com/social-media-optimization-services-in-lahore/'>Social Media Marketing in Lahore</a>
<a href='https://digitalmarketinginlahore.com/ppc-services-in-lahore-pakistan/'>PPC Services in Lahore</a>
<a href='https://digitalmarketinginlahore.com/web-development-services-in-lahore/'>Web Development Services in Lahore</a>
<a href='https://digitalmarketinginlahore.com/digital-marketing-services-in-lahore/'>Digital Marketing Services in Lahore</a>
<a href='https://digitalmarketinginlahore.com/seo-services-in-lahore/'>SEO Services in Lahore</a>
<a href=''></a>
 
ลิงค์ที่เกี่ยวข้อง : https://digitalmarketinginlahore.com/
Digital Marketing Lahore [103.162.137.xxx] เมื่อ 1/06/2023 02:42
4802
อ้างอิง

Quarter Pound Deals, Quarter Pound Cannabis,

Awesome point of view on this blog site. keep it up!

Quarter Pound Deals, Quarter Pound Cannabis, Quarter Pounds Canada

 
ลิงค์ที่เกี่ยวข้อง : http://buylowgreen.com/product-category/quarter-pound-deals/
Quarter Pound Deals, Quarter Pound Cannabis, [122.52.176.xxx] เมื่อ 1/06/2023 09:27
4803
อ้างอิง

call girls Faridabad

Faridabad Escort Service --- https://www.smitarana.com/

Welcome to our cheap call girls in faridabad organization and out with such incalculable different sorts of pleasant help offers and as a rule people genuinely working all the more persistently and many are regardless, telling that the people who are incorporated are the ones who should appreciate out. the rich upgraded and trimmings as per the need. As an issue of first significance escort service in faridabadorganization keeps up significantly standard help and it is the clarification a couple of kinds of trimmings are all there who are offering such incalculable different sorts of organizations that many would say that they are the ones who are incredibly brilliant and vigorous as well. Fulfilling the need of a fit call youngster is absolutely not a basic task. You need a solid power and high energy. college call girls in faridabadcan thoroughly overpower any kind of faridabad consider girls by continuing certain. The real delight in the faridabad accompanies is generally outrageous. For those that are the novice dating assistant of the escorts, they ought to understand that these are engaging faridabad escort service and youngsters who are endeavoring to find a wild fun at the best rates. You can easily take these call girls in faridabad services to your preferred space and enjoy love, fun, sex and romance with them whole night. Every association has an unequivocal model, and moreover escort organization is something similar in call girls faridabad.. In the various escort firms immediately available in whore in faridabad, would straight have the option to interest for the sex-related enjoyment course of action reliant upon your ideal interpretation. You can either design the self-sufficient female escort administration in faridabad escort service or you can pick firm bound escort game plan.

In the event that your life has quit getting a charge out of, do at this point don't freeze companion housewife call girl in faridabad are sitting here to introduce you tips. Do it your self, it will be appropriate for you and might make your ways of life higher in the event that you stay existence with our model escorts service in faridabad in the event that you need to come to faridabad to encounter faridabad call girls without limit, then, at that point you could come and experience with no charge. Also, in the event that you are in faridabad, this is a heavenly factor for you then you could encounter it easily on the off chance that you need any area in faridabad, on the off chance that you need faridabad accompanies, you could take supplier from us. We're there for you for 24 hours we can serve you in any road territory for you we can serve you in inns and additional spots, we can likewise give you incredible administrations. We surmise that you will find another devious side of yours with our high profile accompanies. Our call girls in sector 37 faridabad are pretty to such an extent that you will not quit gazing from the principal experience. Moreover, escorts in faridabad can assume each part with sheer flawlessness and precision. Aside from this, they can improve your life and furthermore peaceful. Most importantly, they are accomplished just as receptive which causes you to feel totally to reveal your most profound cravings without stressing over being judge. We are available 24*7 and feel free to contact us.

Helpful Links :-

sexy call girl || sexy call girls || sexy call girl faridabad || sexy call girls faridabad || call girl near by me || call girl service near me || independent call girl near me || near by call girl

call girl in faridabad || sex girl contact || nearest call girls || independent call girls number || call girls booking || one night call girl faridabad || sexy girls in faridabad || hot call girl

sexy call girl || sexy call girls || sexy call girl faridabad || sexy call girls faridabad || call girl near by me || call girl service near me || independent call girl near me || near by call girl

call girl in faridabad || sex girl contact || nearest call girls || independent call girls number || call girls booking || one night call girl faridabad || sexy girls in faridabad || hot call girl

Faridabad Escort Service --- https://www.payalroy.com/

We are running an escort service in faridabad to provide you with young sexy hot girl and call girls within the city to fulfill all your need and desire at a very reasonable price. Here at our faridabad escorts, you can meet and hire escorts in faridabad the most stylish, charming, and professional call girls. Ower faridabad escorts service is the leading escort service provider in this city and also provide the best quality of faridabad call girls services to our clients. Our VIP call girls in faridabad are very popular among all age groups, from young to old, and also provide you with the most suitable service of our escorts service is available at your place of residence and 5-star hotels. We provide the best quality services that can be found in faridabad call girl service are very famous in the world and we have been serving our customers with the best services. Here, faridabad escort service make your night exceptional and essential with our faridabad escort and feel the extreme delight in her arms. Play hard with her sexy bends that give you astounding sentiments and turn the warmth. In the event that you are searching for quality and exciting youngsters than you are welcome since you are visiting at the correct spot. Here you can transform your all fantasies into the real world call girls faridabad effectively satisfy every one of your needs and acknowledge fulfillment. Cheap call girls in faridabad can clearly edify the point of view of your regarded affiliation customer and secure them to go totally gaga. You can quickly book a faridabad call girls youngster for your covertly game plan independent person or wonderful social occasion.

Our escorts in faridabad are very much restrained and receptive in light of the fact that they offer exemplary administrations to customers. Come and feel the joy that is past your desire level with our indian call girls feel the boundless fun with these tasteful escorts in faridabad. Boundless fulfillment will take your breath away and you feel excellent with these provocative young call girls in faridabad. We give professional and young faridabad call girl with the goal that you feel a definitive joy and complete everything you could ever want. This diversion and fun you will always remember and you generally feel the desire for this good times. Feel the erotic and exceptional delight with russian escorts in faridabad these alluring women and carry on with your life cheerfully. Include some shading and fun in your life and live cheerfully in your life Here you can evacuate all your pressure and feel the total hard fulfillment with these sexy escort in faridabad. Feel the closeness love with these hot young girls escorts and feel the delight. Our escorts service in faridabad love to give you stunning joy and lift your adoration feels with the goal that you can appreciate more and feel the boundless fun. We are available 24*7 with our services so feel free to contact us without any hesitation and fear. On the off chance that somebody solicitations to depict college call girls in faridabad in one sentence, then, at that point the housewife escorts in faridabad is a refreshed rendition of 100 attractive girls.

Faridabad Escort Service --- https://www.faridabad4fun.com/

Hire a reliable faridabad escort service for unique experiences great elegance of individuals who are interested in taking the service of call girls in faridabad and can earn income from high class female escorts to invest a great time of their life. The information technology metropolis of India has a population from all over the state; first-class range of them is furthermore from special aspects of the world. Such a diverse group of customers offers the choice of numerous types of stimulation that could flourish in the city. Escort service in faridabad allows you to realize the benefits of both entertainment and entertainment with your chosen partner. It allows you to bring what wishes are within the maximum of unofficial avenues and have an incredible alternate in addition. We believe in enabling our clients to make serious decisions that could help them live an interesting life and stretch freely by eliminating isolation. Provocative and sexy are two words that ring the bell at the same time as the services provided by faridabad's escorts. Our the years, our organizations have risen to the top in terms of consumer loyalty, driven by enormous quantities by choosing our fashion. We certainly recognize as true that such adult entertainment makes a vital part of the life of every city dweller who thus adapts the lifestyle of a subway city. Our wonderful and simply as charming ladies take place with a number of lifestyle walks. Although some are girls' teachers, we have also met housewives, adult ladies, and girls from different nations. Each of the ladies or call girls faridabad is ready all round in special methods to give their customers joy and have fun.

Although we told about our services, we can still give you more reasons to hire faridabad call girls. You are not seeing their figures which are drop-dead gorgeous. Your eyes might need treatment after meeting our Faridabad escorts. Because our call girl in faridabad has all the ladies that you dream about every night. To be more precise, you can get B-shaped breast, balloon ass, sexy legs, curvy and chubby figure, aesthetic body and much more. Can you hold yourself now? You can also do a private booking of call girl in some 5 star hotels and we will ensure your mating partner availability there. These independent call girls in faridabad are highly skilled and come from fashion and modeling background and trained in to give you day more enjoyable and to give you endless sexual happiness.There is no such limitation on the number of escorts you can book from us. On the contrary, you can enjoy with as many as your one and fulfill your desire of making love with more than one woman at a time. You can also indulge in threesome or foursome. Our faridabad call girl service provides full independence to unleash your hidden desires. Be sure, it's safe taking our service. You don’t have to be worried before or while taking our service. Faridabad call girlservice is discreet and professional. We guarantee that your privacy will be maintained at any cost. So be ready to witness the most beautiful as well as the sensuous experience of your life. We are available 24*7 and feel free to contact us.

 
ลิงค์ที่เกี่ยวข้อง : https://www.faridabad4fun.com/
call girls Faridabad [122.50.198.xxx] เมื่อ 1/06/2023 13:18
4804
อ้างอิง

siyakhang
 
siyakhang [49.36.136.xxx] เมื่อ 1/06/2023 13:35
4805
อ้างอิง

Bangalore Escorts

Spend A Night With Erotic Bangalore Escorts 

Bangalore is renowned for its exciting adventures and thriving nightlife. You can do this with the aid of a Bangalore Escort Agency and a lovely call girl. Our escort companies in Bangalore offer a wide choice of services to meet all your demands, whether you're searching for a nice dinner date or an exciting night out in the city. These agencies offer skilled and discreet services that will ensure you have a wonderful encounter, from passionate parties to close companionship.

Contact our Bangalore Escorts immediately! 

One of the most in-demand services in Bangalore is escorting. They provide a wide range of services that might make your trip to the city one to remember. These skilled specialists can offer you everything you need to make your stay in Bangalore unforgettable, from sensuous massages to romantic getaways. There is an escort in Bangalore who can satisfy all of your needs, whether you're looking for company, closeness, or simply entertainment. Plan a date right away and take advantage of your visit to this lovely city!

Bangalore is a bustling metropolis where many individuals from all backgrounds reside. The Bangalore call girls sector, where women provide their services for companionship, pleasure, and amusement, is also thriving there.

During the past few years, Bangalore has seen a steady increase in the demand for call girls. As a result, more and more women in Bangalore are advertising their services as call girls. These ladies have various personalities, interests, and expectations for the relationships they develop with their clients. They also come from a variety of backgrounds.

What Our Bangalore Escorts Service Agency Offers? 

In Bangalore, are you seeking a memorable and interesting experience? Look no further than the elegant, high-class Russian escorts! These women have all the charm and charisma you need to make it a memorable night, whether you're searching for a romantic or wild night out. These Russian escorts in Bangalore offer a variety of services that can enhance the pleasure of your stay in the city, from companionship to sensual massages. Get in touch with Bangalore escort services and get a wide range of options. 

Bangalore Russian escorts offer residents of the city a fantastic option to spend quality time with fashionable and intelligent companions. Bangalore escorts offer a wide range of services that can add extra unique touches to any event. There is an escort accessible that can meet your demands, whether you're seeking some fun and amusement or someone to travel with you on business. Get your ideal companion right away by perusing the assortment of knowledgeable and seasoned escorts in Bangalore!

Independent escorts in Bangalore give their customers a special and individualized experience. They will make sure you have a good time and cherish the memories you make thanks to their professionalism and expertise. These independent escorts can meet all of your needs, whether you're searching for companionship, someone to assist you tour the city or just want to unwind with a knowledgeable friend. They provide professional, discreet services that will meet your needs. Apart from that we also provide Bangalore celebrity escorts if needed. 

For more information, contact us now.

 
ลิงค์ที่เกี่ยวข้อง : https://ishikaabangalore.com/
Bangalore Escorts [103.138.232.xxx] เมื่อ 1/06/2023 16:24
4806
อ้างอิง

Meera Aggarwal
Welcome to Call girls services Mumbai it provides all kinds of sexual and entertaining independent females. Are you browsing in search of Call Girls? We have an invincible assemblage of Mumbai escorts girls which is available for you.


Mumbai Call Girls | Mumbai Escorts | Mumbai Call Girls Price | Mumbai Call Girls contact | Andheri East Call Girls | Bandra Call Girls Service | Booking a Call Girls in Mumbai | Russian Call Girls in Mumbai | Navi Mumbai Call Girls | Vashi Call Girls Whatsapp Number | Mira Road call girls | Call Girls in Thane Mumbai | Call Girls in Chembur | Call Girl Service in Powai | Call Girls in Goregaon | Call Girls Nerul | Call Girl Service Malad | Kurla Call Girls | Call Girls Service in Juhu | Call Girls Agency in Sakinaka | Call Girls in Dahisar | Call Girls in Dombivali | Marol Naka Call Girls service | Call Girls in Jogeshwari | Independent Call Girls In Mulund | Call Girls in Borivali | Call Girls in Vikhroli | Call Girls Service in Ghatkopar | Call Girls in Bhandup | Call Girls in Panvel Mumbai | Taj Hotel Call Girls in Mumbai | Grand Hyatt Call Girls Service | Hotel Sahara Star Call Girls Service | JW Marriott Mumbai Call Girls Service | The Lalit Mumbai Call Girls Service | The Leela Mumbai Call Girls Service | Hotel Obrei Call Girls Service | Ramee Guestline Hotel Call Girls Service | Call Girls in Four Seasons Hotel Mumbai | The Fern Hotel Goregaon Call Girls Service
 
ลิงค์ที่เกี่ยวข้อง : https://www.callgirlsinmumbai.net
Meera Aggarwal [27.60.211.xxx] เมื่อ 1/06/2023 18:07
4807
อ้างอิง

Meera Aggarwal

Call girls in Mumbai invites you with open arms to satisfy your wishes for sexiness with sensational warm as well as sensual elite ladies, versions, and immigrants. If you are tired from your 9 to 5 duties, traveling, company tours, browsing for happiness, alleviation, and tension-free evenings, the escort service in Mumbai is here to offer you with the best call girls.
Mumbai Call Girls | Mumbai Escorts | Mumbai Call Girls Price | Mumbai Call Girls contact | Andheri East Call Girls | Bandra Call Girls Service | Booking a Call Girls in Mumbai | Russian Call Girls in Mumbai | Navi Mumbai Call Girls | Vashi Call Girls Whatsapp Number | Mira Road call girls | Call Girls in Thane Mumbai | Call Girls in Chembur | Call Girl Service in Powai | Call Girls in Goregaon | Call Girls Nerul | Call Girl Service Malad | Kurla Call Girls | Call Girls Service in Juhu | Call Girls Agency in Sakinaka | Call Girls in Dahisar | Call Girls in Dombivali | Marol Naka Call Girls service | Call Girls in Jogeshwari | Independent Call Girls In Mulund | Call Girls in Borivali | Call Girls in Vikhroli | Call Girls Service in Ghatkopar | Call Girls in Bhandup | Call Girls in Panvel Mumbai | Taj Hotel Call Girls in Mumbai | Grand Hyatt Call Girls Service | Hotel Sahara Star Call Girls Service | JW Marriott Mumbai Call Girls Service | The Lalit Mumbai Call Girls Service | The Leela Mumbai Call Girls Service | Hotel Obrei Call Girls Service | Ramee Guestline Hotel Call Girls Service | Call Girls in Four Seasons Hotel Mumbai | The Fern Hotel Goregaon Call Girls Service
 
ลิงค์ที่เกี่ยวข้อง : https://www.callgirlsinmumbai.net
Meera Aggarwal [223.187.87.xxx] เมื่อ 1/06/2023 20:07
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850
ความคิดเห็นของผู้เข้าชม
ชื่อผู้แสดงความคิดเห็น :
สถานะ : รหัสผ่าน :
ลิงค์ที่เกี่ยวข้อง :
รหัสความปลอดภัย :