สถิติ
เปิดเมื่อ28/01/2015
อัพเดท3/05/2022
ผู้เข้าชม841355
แสดงหน้า1093167
ปฎิทิน
November 2022
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
   
สมาชิก

สมัครสมาชิก | ลืมรหัสผ่าน

ทังสเตนคาร์ไบด์

อ่าน 138428 | ตอบ 2967
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 :
1041
อ้างอิง

Saloni Rani
As sain Is an Independent Delhi Escorts benefit with rich customers adjacent to with the identity you will recuperate the considerable blend of Russian female and Punjabi female administration class and sex ask. All the Delhi Escorts related to us are purified by a delightful face, strong eyes, full mouth, level hair, shining conditioned packaging, and GF experience without flaw plot that will develop you obsessive at the extremely unique site while you will see them.
 
Saloni Rani [103.82.191.xxx] เมื่อ 10/12/2021 15:45
1042
อ้างอิง

Smita Sahi

Book Affordable Call Girls and Escort Service in Haridwar for Sexual Satisfaction Available 24*7 Sex Service in Your Room and Hotel.

 
Smita Sahi [103.57.85.xxx] เมื่อ 11/12/2021 12:53
1043
อ้างอิง

Mehak
 
ลิงค์ที่เกี่ยวข้อง : http://meharkhan.com/
Mehak [223.177.189.xxx] เมื่อ 11/12/2021 19:51
1044
อ้างอิง

buy medical weed online canada
Thanks for your amazing site it’s very nice layout and theme.  
buy medical weed online canada
 
ลิงค์ที่เกี่ยวข้อง : http://herbapproach.org/
buy medical weed online canada [180.195.152.xxx] เมื่อ 11/12/2021 20:32
1045
อ้างอิง

Priya Bhatt

Call Topmumbaiescorts for Affordable Mumbai Escorts Service, We are Most Beautiful and Modern independent Escorts in Mumbai, VIP Call girls names for Privacy available for incall and outcall escorts services 24 Hours in a Week.

Mumbai Escorts Services: Mumbai Escorts | Mumbai Escort Girls | Mumbai Call Girls | Mumbai Escort Models | Mumbai Desi Girl | Foreign Escort Girls in Mumbai | Mumbai Escorts Offer | Mumbai Call Girl Photo | Mumbai Escorts Blog | Mumbai Call Girl Phone Numbaer

 Mumbai Escorts Locations: Andheri Escorts | Bandra Escorts | Borivali Escorts | Chembur Escorts | Goregaon Escorts | Mira Road Escorts | Navi Mumbai Escorts | Nerul Escorts |Thane Escorts | Vashi Escorts 

Mumbai Escorts Categories: 
African Call Girls in Mumbai | Mumbai Call Girls Whatsapp Number | Mumbai Erotic Massage | Mumbai Housewife Escort | Mumbai Marathi Call Girls | Mumbai Muslim Call girls | Mumbai Nepali Call Girls | Mumbai Phone Sex Service | Mumbai Sex Aunty Number | Mumbai Whatsapp Sex Chat
 
ลิงค์ที่เกี่ยวข้อง : https://www.topmumbaiescorts.net
Priya Bhatt [27.60.211.xxx] เมื่อ 11/12/2021 22:24
1046
อ้างอิง

avnimehta
Ahmedabad call girls with delightful bodies and incredible compassion, next to you can carry on with a dream loaded with dreary and bad habit. Our escorts are searing and voracious darlings. Along with accompanies in Ahmedabad, you can appreciate sexual joy in an absolutely uninhibited manner. Access accompanies profiles and reaches them, as per their profile and sort of escort in Ahmedabad.
Ahmedabad Escorts,
Escorts in Ahmedabad,
Ahmedabad Escorts services,
Ahmedabad Escort,
Ahmedabad independent Escorts,
Ahmedabad call girls,
Escorts services in Ahmedabad,
Russian Escorts in Ahmedabad,
call girls in Ahmedabad,
Russian Call girls,
model VIP Ahmedabad call girls,
celebrity Ahmedabad call Girls,
Ahmedabad Escorts Agency,
Bangalore Escorts
Jaipur Escorts
Pune Escorts
Hyderabad Escorts
Mumbai EscortsKolkata Escorts
Chennai Escorts
Ahmedabad Escorts,
Russian Escorts in Ahmedabad,
Satellite Escorts
Sg highway Escorts
Thaltej Escorts
Housewife Escorts
Airhostess Escorts
Russian Escorts
Independent Escorts
Mallu call girl
Chinese Escorts
Indian Escorts
Spanish Escorts
Dating Escorts
High class Escorts
vip Escorts
Cheap Escorts
Young Escorts
Elite Escorts
Model Escorts
Mature Escorts
Celebrity Escorts
Busty Escorts
Punjabi Escorts
Celebrity Escorts
Ambawadi Escorts
Ambli Escorts
Amraiwadi Escorts
Bodakdev Escorts
Gota Escorts
Hebatpur Escorts
Isanpur Escorts
Mani nagar Escorts
Prahlad nagar Escorts
Sabarmati Escorts
 
ลิงค์ที่เกี่ยวข้อง : http://www.ahmedabadescorts69.com
avnimehta [1.38.245.xxx] เมื่อ 12/12/2021 23:42
1047
อ้างอิง

vedanaisha

Fulfill Your Kinky Sexual Fetishes With Spicy Pune Escorts

Pune Escorts provide clients with an endless supply of sensuous pleasure. Is there anyone who has never dreamed? Hopefully, this is not the case. Some people dream with their eyes closed, while others have wonderful experiences with their eyes open. If sensuality is a theme in your dreams, we are the company to call. Every client's dream is supported by us. We satisfy our clients' sensual dreams by taking them higher on the sensual scale. We believe that sensual dreams cause you a great deal of distress. It has the ability to titillate your nerves. And it's quite upsetting. In this situation, maintaining control over your nerves is impossible. We have never had a complaint that our escorts' work is not up to par. With our escorts in Pune, you will have an unforgettable experience. Pune Escorts are the same way. They don't believe in making sacrifices. They have a variety of options that they put in front of you for your consideration.

Using the services of our seductive Pune Escorts is the best thing you can do. Our escorts are the queen of sensuous services, with remarkable passion and attributes. They become your smartest companion, taking you to new heights to feed your anxieties with the most passionate moves. If you want to feel your dreams via your heart, we have the best professionals who can provide you with endless bliss. To hire our escorts, call our agency's registered number. On the other hand, you can look at images of our Pune Escorts on our website. Your safety and confidentiality are not guaranteed by any middleman service. We guarantee that you will have an unforgettable experience. Make use of our escorts.

Using The Services Of Our Adorable Call Girls In Pune

When you have the opportunity to seduce with our Call Girls In Pune you will truly feel fortunate. We genuinely care about you, which is why we strive to provide the best arrangements possible. Our service has exclusive specials provided by the greatest escorts in the industry. As a result, we never want our clients to make any compromises when working with us.

That is why we have devised a more refined arrangement that invites you to sample the best of what we have to offer. To provide the best service to our clients, we use babes that are bewitching in appearance and provide the perfect sensual service. These ladies have a plethora of seductive features that bring a rainbow of colours to the session. Aside from that, these girls are known as seductresses who provide extreme sizzling moments in a unique method. We do not provide our Call Girls In Pune by concealing anything. We produce the best arrangements possible by incorporating top-of-the-line equipment and adhering to international standards.

The Purpose Of The Pune Escorts Service Is To Make Sincere Endeavors

We are dedicated to providing Pune Escorts Service When an agency makes sincere efforts, the service of escorts is at its purest. As a result, we have some exceptional offers in our agency that will delight your senses. We always provide services that are unique. As a result, there is nothing you will lose out on if you connect with us. We constantly have enticing offerings, but they are in their purest form. Before we hire an Pune Escorts Service we make sure they are truly interested in calming your concerns. Attempts to defraud us are never entertained. As a result, we constantly tell our clients that they can contact us at any time during the session. In the event that you are dissatisfied, you can contact us for assistance. We aren't the ones who end up with you once you've paid. We want our customers to come back, therefore we create the best pleasure ride experience for you.

Our independent Pune Escorts Service are always ready to provide you with an unforgettable sensual and fun-filled experience. When you contact with us, you will never have any problems. It will be the most authentic experience possible, with no flaws. Genuine escorts never rush or try to finish things quickly. Pune Escorts Service are exceptional at providing sensual pleasure, and they constantly make things easy for their clients. When you're with our escorts, you'll feel at ease. These babes enrol you in a relaxing session where everything runs smoothly.

Do you want to be the first in the capital at some point? After considering the following factors, contact our seductive Pune Escorts Service How a Pune North Indian Girls service organisation does business should demonstrate that its girls do not engage in other types of unlawful activities. Second, when looking for Pune Escorts, one must consider his location. The agency should be conveniently located or accessible online, allowing the client to pick and drop or give unique incall services. The purchasers who are awaiting the visit to the spots picked by these females are adequately protected. Finally, you should think about the cost while selecting a Pune Girlfriend Experience Service over the phone. The client should compare the service fees of the various girls and ensure that all projected costs are covered. As a result, at Pune Escorts Service we advise our clients to double-check that all relevant fees have been factored into the final quote.

Visit My Important Partner Links:-

High Class Escorts In Shivaji Nagar | High Class Escorts In Hadapsar | High Class Escorts In Wakad | High Class Escorts In Magarpatta | High Class Escorts In Pimpri | High Class Escorts In Pimpri Chinchwad | High Class Escorts In Baner | High Class Escorts In Kharadi | High Class Escorts In Lonavala | High Class Escorts In Kalyani Nagar | High Class Escorts In Viman Nagar | High Class Escorts In Hinjewadi | High Class Escorts In Katraj | High Class Escorts In Aundh | High Class Escorts In Koregaon Park

Where Can You Find Our Lovely Pune Escorts Girls?

You should evaluate the site's credibility for them to satisfy while choosing an appropriate area and time for our Pune Escorts Girls to be called. Although our office is judged liable for executing services related to your summoning the women for specific service, this does not cover the overhead fees you'll want to incur or the type of venue you choose to meet with them. The agency should have all of the necessary information to properly handle your request. Our sensuous Escorts in Pune have become a lot less demanding and a lot more enticing.

Many Pune Escorts Girls firms may have an impact on you and refuse to accept even the most basic outcomes. All reputable Escort firms must make an effort to keep their consumers and hence give professional services for their staff in order to maintain their services and brand value in this competitive sector. Any legitimate business, on the other hand, lacks a comparable. When it comes to money, unprofessional or independent Pune Escorts Girls normally charge quite a bit more than the excellent versions. The problem is that they are unable to supply you with the most basic services that you might obtain at a lower rate from a reputable service provider like us. You'll be accompanied by the company's certified romantic and companionship aides, which means you won't have to worry about any negative outcomes or diseases.

Professional Pune Escorts Service Providers Who Will Transform Your Companionship

Let's say you're new to town and want a woman to call. If you find it difficult to choose between the various options available within the service providers of Sexy Bhabhi in Pune because you lack the skills to do so, or if you find it difficult to choose between the various options available within the service providers of Sexy Pune Escorts Service because you lack the skills to do so, In this situation, as a customer, you would like to have an option and decide whether to settle on a specific type of lady or follow the agency's selection. To be secure, look for those who have been recommended by the agency so that you can easily get the best outcomes with them, since the Cheap Pune Escorts Service personnel are very knowledgeable in the art of matchmaking service.

You'll feel reasonably tranquil and snug after an awesome session with our unique status Models Pune Escorts Service and Feel true Girlfriend Experience with Dating Call Girls, as your thoughts will be released. As a result, after receiving sensual massage therapy from our attractive Pune Call Girls, you'll be able to focus on your professional or romantic performances with ease.

When Should You Contact Our Pune Call Girls For Your Care And Romantic Needs?

We understand that not everyone has the opportunity to fulfill their fantasies of having the perfect human figure. As a result, discontent and resentment are common. Our  Pune Call Girls  Teen Ladies Service, on the other hand, will provide you with a genuine opportunity to spend quality time with the proper call girls. So put your problems aside and arrange a few romantic hours with one of our experienced Model Dating Girls. Our Party  Pune Call Girls are looking forward to seeing you and can undoubtedly provide you with heavenly satisfaction like you've never experienced before. Our fiery Pune Girl has been taught and knows just how to approach you in order to arouse your senses. So start worrying and get ready to go to the upcoming party in the evening with the most active girls acting as your arm candy. Our  Pune Call Girls  would gladly assist you based on your individual requirements. These lovely Pune Escorts are well-versed in all the filthy secrets that will have you engrossed and wanting more in your bed.

Give Cheap Pune Erotic Massage Services a call if you're feeling overwhelmed or lonely, and we'll help you meet and celebrate with a beautiful angel in your region. Our sensually trained girls frequently arrive dressed as though she's going on a high-end date, and trust us when we say that no one will be able to ignore her. If you're not feeling well, her presence, proximity, and stimulating body massage can make you feel a lot better right away. Her passionate dancing will awaken your body to match her tempo at the same time.

Visit My Important Partner Links:-

Housewife Escorts In Shivaji Nagar | Housewife Escorts In Hadapsar | Housewife Escorts In Wakad | Housewife Escorts In Magarpatta | Housewife Escorts In Pimpri | Housewife Escorts In Pimpri Chinchwad | Housewife Escorts In Baner | Housewife Escorts In Kharadi | Housewife Escorts In Lonavala | Housewife Escorts In Kalyani Nagar | Housewife Escorts In Viman Nagar | Housewife Escorts In Hinjewadi | Housewife Escorts In Katraj | Housewife Escorts In Aundh | Housewife Escorts In Koregaon Park

 
vedanaisha [103.240.193.xxx] เมื่อ 13/12/2021 13:17
1048
อ้างอิง

kanika

  Kanika Malhotra Here. I am a young sweet, warm, beautiful, and friendly independent MAHIPALPUR ESCORTSlooking for a guy with a big dick to ride his cock. Come have all sexual pleasures with my fine big boobs, curvy booty, and sexy wet pussy. I need a serious guy want to give him romance, massage, and bathroom sex. please fuck, spank me and drill me so hard while I scream your names, am willing to surrender my lustful body. Your lips are like honey and your kisses are like wine. I plan on sucking your dick until you cum.
Call me now for the best services. My pussy is already melting. or visit here.

 AEROCITY ESCORTS | KAROL BAGH ESCORTS | HAUZ KHAS ESCORTS | DWARKA ESCORTS | GREATER KAILASH ESCORTS | SAKET ESCORTS | GURGAON

ESCORT | SOUTH EX ESCORTS | MAHIPALPUR ESCORTS | CP ESCORTS | CCHATARPUR ESCORTS | FARIDABAD ESCORT | NEHRU PLACE ESCORTS | SAFDARJUNG

ESCORTS HAUZ KHAS ESCORTS | VASANT KUNJ ESCORTS | GREEN PARK ESCORTS

 
kanika [117.97.163.xxx] เมื่อ 13/12/2021 15:06
1049
อ้างอิง

kanika

Zayda Khan is perfectly groomed and oozes class from every pore...well-spoken and stimulating company...this is one mature lady Delhi Escorts that knows the meaning of quality as that is what you get with sexy Zayda. My age is 35plus or 40-year-old Independent Housewife escort. who love experienced ladies, I am the perfect one for those ones. This stunning Indian girl will keep you entertained both in and out of the bedroom and you cannot help but become enamored with this gorgeous lady. Super friendly, intelligent, and an absolute sweetheart; you really feel as if you are being pampered like a king with this beauty! Zayda also offers a very relaxing massage to soothe your stresses away so put yourself in her very capable hands as she is a qualified masseuse as well as super sexy.

OUR LOCATIONS;-

 

Delhi Escorts     Escorts in Delhi      Delhi Escorts Service

Dwarka Escorts    Mahipalpur Escorts   Karol Bagh Escorts  Escorts in Green Park  Greater Kailash escorts  Aerocity Escorts  CP Escorts  Vasant Kunj Escorts

Safdarjung Escorts  Saket Escorts  Nehru Place Escorts  Hauz Khas Escorts  South Ex Escorts East of Kailash Escorts Mg Road Escorts Gurgaon Escorts

Uttam Nagar Escorts   Sainik Farm Escorts    Chattarpur Escorts

 

 
kanika [117.97.163.xxx] เมื่อ 13/12/2021 15:07
1050
อ้างอิง

kanika

 Independent escort available in Aerocity Escorts Even if we live times when free time seems to have disappeared, you certainly should not forget that you deserve high-class relaxation at least once a week. That's why we invite you to visit the dollysaxena.com website to book women ready to offer high-quality experiences and truly wonderful times. These Escorts in Delhi will bring satisfaction to your life because you definitely deserve the best. Call and book the sexy dolly or check our website and choose a nice lady only for you 

DELHI ESCORTS | ESCORTS IN DELHI | DELHI ESCORTS SERVICE|

Aerocity Escorts | Connaught Place Escorts | Gurgaon Escorts | Mahipalpur Escorts | Noida Escorts | Surajkund Escorts | Iffco Chowk Escorts | Palam Vihar Escorts |

 Rajiv Chowk Escorts | Udyog Vihar Escorts | Sohna Road Escorts | DLF Golf Course Escorts | South City Gurgaon Call Girls | Ardee City Escorts | Hotel Escorts

 
kanika [117.97.163.xxx] เมื่อ 13/12/2021 15:08
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297
ความคิดเห็นของผู้เข้าชม
ชื่อผู้แสดงความคิดเห็น :
สถานะ : รหัสผ่าน :
ลิงค์ที่เกี่ยวข้อง :
รหัสความปลอดภัย :