สถิติ
เปิดเมื่อ28/01/2015
อัพเดท19/06/2024
ผู้เข้าชม2262283
แสดงหน้า2779718
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 764313 | ตอบ 8468
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 :
3560
อ้างอิง

ahmedabadescorts
ลิงค์ที่เกี่ยวข้อง : https://www.sanuredy.com/ahmedabad-escorts.html
ahmedabadescorts [117.97.241.xxx] เมื่อ 13/02/2023 17:56
3561
อ้างอิง

Guwahati escorts

call girls in guwahati

call girl in guwahati

call girls in guwahati justdial

call girls in guwahati locanto

cheap call girls in guwahati

call girls in new guwahati

call girl in guwahati justdial contact number

age 30 call girl for sex in guwahati

airhostess call girls in guwahati

andhra call girls in guwahati

any call girl mobile number in guwahati with photos

cheap rate independent call girls in guwahati

independent call girl in guwahati locanto

arab call girl in guwahati

call girls supplied in hotel room in guwahati

asian call girls in guwahati

ask for call girls in guwahati

sex call girl in guwahati

average call girl number and charges in guwahati

bangali call girls in guwahati

bbw call girls in guwahati

beautician call girl in guwahati for sex

beautician call girl in guwahati for sex locanto

beautician working as call girl in guwahati

beautiful call girls in guwahati

bengali call girl in guwahati

best call girl in guwahati

best call girls in guwahati

best call girls guwahati

best call girl number in guwahati

best call girl provider in guwahati

best call girls house in g.b.road guwahati

best call girls in guwahati review

best housewife call girl in guwahati

best independent call girl in guwahati

best place for call girls in guwahati

best russian call girl in guwahati

best way to find call girl in guwahati ncr

big boobs call girl contact no in guwahati

call girl service in guwahati

call girl in guwahati

russian call girls in guwahati

call girl in guwahati

independent call girl in guwahati

call girls guwahati

call girls in east guwahati

call girl in guwahati justdial

high profile call girls in guwahati

call girl guwahati

african call girls in guwahati

call girl in guwahati

guwahaticall girl

call girls in west guwahati

nepali call girl in guwahati

cheap rate call girl in guwahati

low price call girl in guwahati

vip call girls in guwahati

how to find a call girl in guwahati

how to get call girl in guwahati

where to find call girls in guwahati

desi call girl in guwahati

call girl pick up points in guwahati

images of call girls in guwahati

call girl in guwahati for sex

call girl in guwahati mobile number

call girls in guwahati guwahati

low rate call girl in guwahati

uzbek call girls in guwahati

cheap call girls in guwahati

whatsapp number of call girl in guwahati

call girl in guwahati under cheap rate

call girl in new guwahati

call girl with photo in guwahati

call girls in guwahati for fun

cheap and best call girl in guwahati

local call girl in guwahati

private call girls in guwahati

call girl image in guwahati

call girl in guwahati contact no

call girl in guwahati phone number

cheap russian call girls in guwahati

russian call girl in guwahati with photo

black call girls in guwahati

budget call girls in guwahati

call girl address in guwahati

call girl area in guwahati

call girl escort in guwahati

sasti call girl in guwahati

call girl in guwahati at low price

call girl in guwahati low price

call girl in guwahati mobile no

call girl in guwahati no

call girl in guwahati phone no

call girl in guwahati photo

call girl in guwahati price

low price call girl in guwahati

cheap price call girl in guwahati

call girl new guwahati

high profile call girls in guwahati

model call girls in guwahati

actress call girls in guwahati

VIP call girls in guwahati

call girl job in guwahati

call girl names in guwahati

call girl pic in guwahati

call girl sex in guwahati

call girls at low rates in guwahati

call girls available in guwahati

call girls escorts in guwahati

top call girls in guwahati

best call girls in guwahati

cheap call girls in guwahati

cheap call girls in east guwahati

cheap call girls in new guwahati

cheap call girls in south guwahati

cheap independent call girls in guwahati

chepest call girl in guwahati

guwahati call girls

free call girl in guwahati

high class call girls in guwahati

i want call girl in guwahati

independent call girls in guwahati

kashmiri call girls in guwahati

kerala call girls in guwahati

need call girl in guwahati

online call girl in guwahati

personal call girl in guwahati

pics of call girls in guwahati

price of call girl in guwahati

russian call girls in new guwahati

tibetan call girl in guwahati

where to get call girls in guwahati

call girls in guwahati for whole night

night booking call girls in guwahati

whole night booking call girls in guwahati

call girl in guwahati

call girl guwahati

call girl in guwahati

cheap call girls in guwahati

soothingly call girls in guwahati

independent call girl in guwahati

afghani call girls in guwahati

afghanistan call girls in guwahati

afghanistan call girls whatsapp in guwahati

afghanistani call girls in guwahati

african call girl contact no in guwahati

african call girl in guwahati locanto

african call girl in guwahati shokka

african call girls escorts in guwahati

african nigro call girl in guwahati

 
ลิงค์ที่เกี่ยวข้อง : https://www.nityajoshi.com/
Guwahati escorts [223.235.38.xxx] เมื่อ 13/02/2023 18:26
3562
อ้างอิง

Ashika Soni

We don't want to make our clients dissatisfied so we frequently serve ideal for you. Our very first top priority is continuously to offer our best to you at budget plan friendly costs. We offer sensuous in addition to intimate Bangalore Escorts . All of these friends can conveniently get a person's interest in the direction of their side with their amazing looks along with enchanting smile. We do not serve copied friends like others we have a massive collection of excellent and terrific friends. You will definitely neglect your problems when you will definitely invest high quality time with them.
We are trying to make our solutions much better daily by including some new classifications to our collection. We just desire to see a smile of contentment on your face. The passion of using sex options to the clients is the greatest part of our buddies you will certainly be amazed. These Bangalore Escort are experts in all sort of tasks you can request for anything to them. These homeowner companions can provide you foreplay job, strike job, mouth job, hand work in addition to sex-related total body massage therapy.
We just want to see the smile of complete satisfaction on your face that's why we are trying to make all possible restorations in our options. We offer homemaker buddies, Escorts in Bangalore, star escorts, independent friends as well as likewise much more sort of centers. You can try our Bangalore call Girls to make your evening and also trip better. A lot more information regarding fees and area you can most likely to on our website.
All set To Have Some Nasty Enjoyable
You can bath with these more effective buddies and also it will certainly offer you an unforgettable experience of life. You individuals can have a good time with their adolescences as well as with their attractive body. We are serving our leading finest Bangalore Celebrity escorts solutions on trips also. You can employ our Bangalore escorts service for your trip the majority of individuals took our centers on breathtaking trip.


Each of our call girls are preferred as Kormangala Escorts in addition to are well clothed along with accredited to give you total satisfaction with ease. You can take them to a party or in satisfying these friends will promptly bring in any individual's interest towards their side with their way of chatting as well as also appealing appearance. We offer Bangalore Russian escorts, college girls companions, star buddies, layout escorts, along with extra other services at an economical offer.
Consort Benefits Along With Lots A Lot More
Libidos are not a brand-new thing it all used to previously. Yet there was an additional suggests to disclose all of those on that particular time. We supply high profile appealing and also enchanting friends female for your physical and sexual needs. Hebbal Escorts Solutions is a popular in addition to count on able name among every one of the companion followers. We gave our ideal to make sure that we get respect in this field. You can get a kick out of the dust of your life with these lovable escorts. These Escorts Bangalore are honored with the appealing as well as minimal number, juicy lips, attractive buts, as well as an amazing appearance with a charming smile.
You can have fun with their adolescent years and place your chilly fingers on their warm body it will certainly take you in paradise. Every one of these Escort Bangalore buddies are informed to complete all of your intimate sensations. You can try whatever brand-new with them our companions will definitely never ever reject you to attempt something new. Our Kalyan Nagar Escorts are able to offer any kind of kind of kind of job to our clients you can request anything to them like an effect task, oral sex work, hand job, as well as complete body sexual massage therapy. Let yourself be warm with these sophistication as well as their sensualist. Let them enjoy you and also satisfy your sexual desire

 
Ashika Soni [45.121.2.xxx] เมื่อ 13/02/2023 19:03
3563
อ้างอิง

Riya Roy
Mumbai Escorts is exceptionally beautiful and stunning. They've wonderful figures and appealing characters which will cause you to feel excited. You can unwind with them and partake in the entire night without a second thought. In the event that you need a sweetheart-like encounter, there could be no greater young lady than us. Whether you need a heartfelt dating experience or you need very good quality gatherings and expert young ladies for individual fulfillment, you can enlist them. Mumbai Escorts Administration Our Mumbai Escorts Young ladies are very thoroughly prepared and have sufficient involvement with managing healthy and macho men like you. You would feel genuine delight with them as they will cause you to feel great around them. Consequently, make your days dynamic with lively and excited accompanies.
Mumbai Escorts Services: Mumbai Escorts | Mumbai Escorts Service | Mumbai Escorts Agency | Mumbai Call Girl | Independent Call Girls in Mumbai | Cheap Escorts in Mumbai | Mumbai Escorts Blog | Mumbai Escorts FAQ | Call Girls Number in Mumbai 
Mumbai Escorts Categories: 
Mumbai Sex Aunty Number | Phone Sex Mumbai | Mumbai Call Girl Whatsapp Number | Mumbai Call Girls Near Me | African Call Girl Mumbai | Marathi Call Girl | Mumbai College Girl Escorts | Mumbai Foot Fetish Escorts | British Call Girl in Mumbai 
Mumbai Escorts Locations: 
Vashi Call Girls | Navi Mumbai Call Girls | Andheri Call GirlsAndheri Call Girls | Mira Road Call Girls | Bandra Call Girls | Borivali Call Girls | Chembur Call Girls | Thane Call Girls | Nerul Escorts | Juhu Call Girls | Byculla Escorts | Sakinaka Escorts | Dahisar Call Girls | Ghatkopar Call Girls | Worli Call Girls | Colaba Escorts | Jogeshwari Call Girls | Kalyan Call Girls | Versova Call Girls | Powai Escorts | Malad Escorts | Kurla Escorts | Goregaon Call Girls | Santa Cruz Escorts | Dharavi Escorts | Dadar Escorts | Nariman Point Escorts | Mumbai Central Escorts | Grant Road Escorts | Churchgate Escorts | Marine lines Escorts | Vile Parle Escorts | Khar Road Escorts | Lokhandwala Escorts | Kandivali Escorts | Sion Escorts | Vasai Escorts | Panvel Escorts | Kopar Khairane Escorts | Belapur Escorts | Mulund Escorts | Kharghar Escorts | Airoli Escorts | Naigaon Escorts | Nalasopara Escorts | Virar Escorts | Marol Escorts | Gorai Escorts | Mahim Escorts | Wadala Escorts | Kopargaon Escorts | Chandannagar Escorts | Bhayandar Escorts | Bhiwadi Escorts | Lower Parel Escorts | South Mumbai Escorts | Chakala Escorts | Jb Nagar Escorts | Midc Escorts | Chandivali Escorts | Bhandup Escorts | Asalpha Escorts
 
ลิงค์ที่เกี่ยวข้อง : https://www.mumbaiescortshub.net
Riya Roy [27.60.215.xxx] เมื่อ 13/02/2023 19:08
3564
อ้างอิง

Rubye
I've read some just right stuff here. Definitely worth bookmarking for revisiting. I surprise how much effort you place to create this type of fantastic informative web site.
 
ลิงค์ที่เกี่ยวข้อง : http://ivistroy.ru/
Rubye [46.53.243.xxx] เมื่อ 14/02/2023 00:57
3565
อ้างอิง

monikamalhotrachd1
There are many people in the world who are looking for Escorts service in Noida . If you are one of those people, then you should know that there is a perfect way to get escort service in Noida. All you have to do is go online and search for escort service providers in Noida. Once you find a provider that you like, you can contact them and book an appointment.
Escorts service in Noida
Noida escorts service
Noida escorts service
Noida escorts service
 
 
ลิงค์ที่เกี่ยวข้อง : https://www.girlsdelhi.in/gurgaon-call-girls/
monikamalhotrachd1 [106.206.244.xxx] เมื่อ 14/02/2023 13:02
3566
อ้างอิง

chennaiescorts
 
ลิงค์ที่เกี่ยวข้อง : http://www.sanuredy.com/chennai-escorts-services.html
chennaiescorts [223.225.10.xxx] เมื่อ 14/02/2023 13:24
3567
อ้างอิง

James Carter
Wow I can say that this is another great article as expected of this blog, The website is looking a bit flashy and it catches the visitors eyes. Metamask Extension l crypto.com login
 
James Carter [27.122.12.xxx] เมื่อ 14/02/2023 13:28
3568
อ้างอิง

hyderabadcompanion
The profile of Hot Female Call Girls in Hyderabad is always viewed to their complete satisfaction. The complete transparency is evident in the narrative in the profiles of hot escorts’ services in Hyderabad. It’s also full of provocative and erotic images and videos. The content is top-quality. It isn’t an issue to find an attractive woman. After the process of booking Hyderabad Call Girl is done and you’d like to remain private. There is no need to worry since the agency that escorts you will keep the interests of the client in the forefront of their minds. It is also possible to pay by cash or using other cards. The most important thing is that the customer always gets a list of other excellent practices, too. For instance, she’ll be courteous, friendly and cooperative, playful and curious. The customer will be content at the conclusion of the sexually-themed event.
Our Services:-
https://www.hyderabadcompanion.com/
https://www.hyderabadcompanion.com/model-escorts/
https://www.hyderabadcompanion.com/independent-escorts/
https://www.hyderabadcompanion.com/high-profile-escorts/
https://www.hyderabadcompanion.com/call-girls/
https://www.hyderabadcompanion.com/college-girls-escorts/
https://www.hyderabadcompanion.com/vip-escorts/
https://www.hyderabadcompanion.com/air-hostess-escorts/
https://www.hyderabadcompanion.com/housewife-escorts/
https://www.hyderabadcompanion.com/celebrity-escorts/
 
ลิงค์ที่เกี่ยวข้อง : https://hyderabadcompanion.com
hyderabadcompanion [122.163.220.xxx] เมื่อ 14/02/2023 15:01
3569
อ้างอิง

Delhiescorts
ลิงค์ที่เกี่ยวข้อง : http://www.sanuredy.com/delhi-escorts-services.html
Delhiescorts [89.187.162.xxx] เมื่อ 14/02/2023 16:12
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848
ความคิดเห็นของผู้เข้าชม
ชื่อผู้แสดงความคิดเห็น :
สถานะ : รหัสผ่าน :
ลิงค์ที่เกี่ยวข้อง :
รหัสความปลอดภัย :