สถิติ
เปิดเมื่อ28/01/2015
อัพเดท19/06/2024
ผู้เข้าชม2218762
แสดงหน้า2731491
ปฎิทิน
November 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
สมาชิก

สมัครสมาชิก | ลืมรหัสผ่าน

ทังสเตนคาร์ไบด์

อ่าน 743467 | ตอบ 8448
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 :
6108
อ้างอิง

Codella Bangalore Escorts
Hey there, are you looking for Bangalore Escorts somebody to calm your love thirst? A person who is ready to do whatever you want without hesitating. If yes after that you are suggested to work with an appealing babe from a special collection of Bangalore Escort Girls. They are devoted to their work as they tend to supply the worth of money you paid. There are various ladies of various age functioning as Escorts Service. You have a range to select from to have a fast as well as likewise exceptional session of love making.

These Escorts in Bangalore Girls know specifically just how to spoil their consumers and to make them satisfied with the sort of skill-set they have. The best feature of Escort is that you can have your satisfaction time in rush style as they are provided 24 * 7. When it involves executing what they are invested for, you have a guarantee of meticulous job efficiency. Alongside sedulous and sensual practices, you will absolutely likewise experience shyness cost-free pleasurable to let you make the most from it. From striking interest ethical language and job imagination to hygienic maintenance, these women fits specifically exact to specify the definition of high program authentic buddies.

While making your prepaid potent solution, you will absolutely ambiance the experience of a sex-related theme park. Female Escorts  in Bangalore do not just work for money instead they let their mind, body, and heart wholly right into the session along with take pleasure in the pleasure alongside you. Advanced, appealing, distinctive face functions, curved body number, awesome eyes, potent lips, along with requiring body language are few of the many attributes of the Bangalore Escorts Service.

Accept all your demands of Bangalore High Profile Escort sexual relations.
If you are the one that looks out for a Bangalore High Profile Escorts unblemished of shyness and additionally speaks at the upper daring degree when the stage is established for sexy sex-related acts after that these warm chicks from the Bangalore are simply created you. All your demand to taste sexual relations by means of feature play, distinctive settings, and also pornography classifications will certainly be opened if you will certainly employ among the many naughty yet eye-catching companions. These women are absolutely the trick to your physical satisfaction and mental leisure when it asks for a pal to please your demand and also a wish fantasy. Merely spend the reservation amount of will be cared for by Female Escort Bangalore.

Going over the rush style, your hired babe will certainly most likely to your doorstep in 2 hrs maximum in the majority of the instances. It can be a lot much less or a bit far more nevertheless you identify that you won't get what these ladies can supply from any other resource in this much little time period. These Bangalore Call Girls are experienced in addition to comprehend what makes a guy pleased in the bed. They will not spare even a solitary inch of your manly body unblemished as well as will certainly also make you really feel every part of their softy skins extracting apart all the shyness and also anxiety from both the events included in the sexual agreement.

Bangalore Independent Escorts are modiste made to satisfy your demands and also as a warm, mischievous and attractive. I continuously ensure that we do just the vital things that you plan to do. I understand exactly how crucial your private life is and continuously let you remain in price of exactly how typically we fulfill, where we please and also when we satisfy. I in addition desire you to be accountable of the things we do so that you are always happy. This is what makes me among the most reliable Bangalore high profile escorts.

Russian Escort Service Bangalore
Whenever in addition to whatever the event is you do not need to fret concerning my attires and also my reviews just all you need to do is discuss your full needs and you'll locate your sexual desires occurs. As I used to be the heart of every celebration I mosted likely to so it will certainly all approximately me to be the heart of your very own if you Choose Russian Escorts in Bangalore for your sexual celebration.

Visit My Location Page: IndiraNagar Escorts

So do not merely shed your invaluable time on tracking and also picking your sensual desirable sweetheart. Register yourself rapidly as well as likewise employ me to ensure that we both can have some high quality time and also I can place your intimate dreams right into reality as well as can play the love video game with huge contentment. Even I aspire to get a kick out of among the most interesting and valuing Escort Service moments with you.
 
Codella Bangalore Escorts [45.121.2.xxx] เมื่อ 8/09/2023 16:09
6109
อ้างอิง

Lillie
MEGA onion - это крупнейший анонимный магазин в России и СНГ, который предоставляет свои услуги в сети. Наша площадкамега как зайти обеспечивает полную защита и безопасность для каждого пользователя. Мы также обеспечиваем защиту ваших финансов, удобную и быструю оплату позиций и услуг в различных валютах, включая криптовалюту, и обход всех видов блокировок. Для посещения нашего маркета вам не понадобится подключение к Тор или VPN .
 
ลิงค์ที่เกี่ยวข้อง : https://xn--mgasb-n51b.com
Lillie [5.42.64.xxx] เมื่อ 8/09/2023 17:31
6110
อ้างอิง

Amiri Shirt
Others should be able to use the internet to view the blog.
<a href='https://amirishirts.us/amiri-shirt/'title='Amiri Shirts'>Amiri Shirts</a>
 
Amiri Shirt [223.123.6.xxx] เมื่อ 8/09/2023 17:51
6111
อ้างอิง

Aaron
This is my first time go to see at here and i am really happy to read all at alone place.
 
ลิงค์ที่เกี่ยวข้อง : https://sarcasmrepo.tech
Aaron [158.69.185.xxx] เมื่อ 8/09/2023 17:57
6112
อ้างอิง

seo agency in Oceania
 
ลิงค์ที่เกี่ยวข้อง : https://superwebdevelopment.com
seo agency in Oceania [103.92.43.xxx] เมื่อ 8/09/2023 19:20
6113
อ้างอิง

sheetaldubay

Ultimate Sexual Satisfaction Independent Call Girls Visakhapatnam

Do you harbour sensuous thoughts about Visakhapatnam Call Girls? If so, the idea of hooking up with one of these young women must excite you. You will surely feel satiated by their vigour and sexual demands. When you leave their company, Visakhapatnam Escort Service will make sure you are content.

There are numerous conceivable justifications for having an attractive sexy escort girl in Visakhapatnam to fulfil your illicit fantasies. However, the main factor is that escorts are frequently hired for sexual enjoyment and pleasure with no restrictions. A college escort is frequently seen by men as an alluring option to enjoy a pleasant night out with a woman.

So, it can be a good idea to hire a college escort if you're looking for a stunning female while you're in Visakhapatnam.

Why do people in Visakhapatnam use college girls as escorts?

Every man wants to experience the fire of beauty in the midst of the night, therefore that comes first. Second, making love memories in your life is very acceptable. You can benefit from it by making use of the top college girl escort service in Visakhapatnam. College girls are also gorgeously proportioned bosom ladies with stunning, sexy bodies.

Another crucial element is that hiring a college-aged call girl for the evening might have a lot of advantages. College girl escorts in Visakhapatnam are prepared to provide you with a clean physique at the same time. Play with her sensual body whatever you choose. She is never upset. She satisfies your desires in exchange. For this reason, people in Visakhapatnam and its surrounding areas hire college girl escorts.

Spending time with young tight twat queens in Call Girls Visakhapatnam will help you comprehend a variety of concepts. You will learn, for example, that these smut queens are experts at enhancing orgasms. You can go close to her and feel her body's very essence. She giggles joyfully as a result when you lick her body. She also knows the greatest methods for bringing you to the pinnacle of fulfilment. The times you spent with the sexy Visakhapatnam girls will live long in your memory.

The ideal option is to use young college female sex dolls, who are available to help you anytime you need it. Regarding timing, they are quite accommodating. They can stay the night anywhere you decide. At any hour of the day or night, you can engage college girl escorts.

Most significantly, guys who reserve stunning Visakhapatnam Call Girl Phone Numbers want to spend the entire night in the company of a wonderful and nice girl. In addition, the outgoing, seductive slut knows all the best spots for eating, relaxing, and taking in the sultry atmosphere.

Find Our More Cities

Call Girl in Chennai || Call Girl in Mahipalpur || Call Girl in Dehradun || Call Girl in Gurgaon || Call Girl in Zirakpur || Call Girl in Mohali

 
ลิงค์ที่เกี่ยวข้อง : http://sheetaldubay.com/escorts-service-visakhapatnam/
sheetaldubay [103.83.144.xxx] เมื่อ 8/09/2023 19:30
6114
อ้างอิง

seo agency in Oceania
 
ลิงค์ที่เกี่ยวข้อง : https://superwebdevelopment.com
seo agency in Oceania [103.92.43.xxx] เมื่อ 8/09/2023 19:49
6115
อ้างอิง

Benvenuti in un viaggio straordinario nel mondo degli incontri Bologna. In questo articolo, esploreremo con spirito positivo il desiderio umano di connessione e piacere. Scopriremo come gli incontri tra uomini e donne a Bologna possano essere esperienze uniche e appaganti.

Capitolo 1: La Bellezza di Bologna

Bologna, con la sua architettura affascinante e la vivacità delle strade, è lo scenario perfetto per incontri speciali. Le sue piazze storiche e le stradine medievali creano un'atmosfera romantica ideale per connessioni autentiche.

Capitolo 2: Donna Cerca Uomo Bologna

La frase 'Donna cerca uomo a Bologna' è un richiamo alle relazioni autentiche e significative. A Bologna, molte donne cercano uomini per condividere momenti speciali. Questi incontri possono portare a legami profondi e momenti di intimità che arricchiscono la vita.

Capitolo 3: La Professionalità delle Escort

Le escort Bologna sono professioniste esperte nell'arte della compagnia. Sono donne raffinate e affascinanti, selezionate attentamente per la loro bellezza e intelligenza. Le escort offrono servizi di alto livello, inclusi massaggi rilassanti, cene romantiche e molto altro.

Capitolo 4: Servizi Personalizzati

Le escort a Bologna si distinguono per la capacità di offrire servizi personalizzati. Ad esempio, possono organizzare cene gourmet presso i migliori ristoranti della città, garantendo un'esperienza culinaria indimenticabile.

Capitolo 5: Realizzare Fantasie

Le escort a Bologna sono esperte nell'aiutare i loro compagni a realizzare le loro fantasie. Con discrezione e attenzione, creano esperienze uniche e indimenticabili. Ad esempio, possono organizzare weekend romantici in luoghi incantevoli, dando vita alle fantasie più segrete.

Capitolo 6: Incontri Autentici

Gli incontri a Bologna sono opportunità per connessioni autentiche. Sia che si tratti di una passeggiata romantica nei Giardini Margherita o di una visita ai musei locali, questi momenti portano gioia e felicità.

Capitolo 7: Conclusioni e Riflessioni

In conclusione, gli incontri a Bologna offrono la possibilità di connettersi con persone straordinarie in un ambiente incantevole. Le escort a Bologna sono professioniste che offrono servizi personalizzati per soddisfare i desideri dei loro compagni. La città stessa, con la sua bellezza e il suo spirito accogliente, è un luogo ideale per creare ricordi indelebili. Lasciate che il vostro desiderio di connessione e piacere vi guidi in questa straordinaria esperienza a Bologna.

 

https://escort-napoli.mywebselfsite.net/ 

http://tuadiva.bloggersdelight.dk/2023/08/29/donna-cerca-uomo-torino/

https://justpaste.it/202j6/

https://divamiki.hashnode.dev/donna-cerca-uomo-torino

https://www.intensedebate.com/people/MikiDiva

https://adn-network.tribe.so/user/mikidiva

https://escort-napoli.simdif.com/

https://hackmd.io/@MikeDiva/escort-napoli

https://www.pearltrees.com/mikidiva/item534684205

https://mikidiva.mypixieset.com/

https://www.instapaper.com/p/13012715

https://tuadiva.contently.com/

https://mikidiva.hashnode.dev/un-viaggio-sensuale-alla-scoperta-del-piacere

https://openlibrary.org/people/mikidiva

https://about.me/mikidiva/getstarted

https://donna-cerca-uomo-venezia.gitbook.io/untitled/

https://noti.st/tuadiva

http://uid.me/mikidiva#

https://postheaven.net/gxx96ayu0u

https://pastelink.net/fljupi17

https://demo.sngine.com/blogs/339832/L-Affascinante-Mondo-delle-Escort-a-Firenze-Professionalit%C3%A0-Bellezza-e

https://www.bitsdujour.com/profiles/gSOgMe

https://platform.blocks.ase.ro/blog/index.php?entryid=29055

https://slatestarcodex.com/author/tuadiva/

https://www.startus.cc/company/donna-cerca-uomo-napoli

https://www.papercall.io/speakers/tuadiva

https://promosimple.com/ps/28457/donna-cerca-uomo-genova

https://gotartwork.com/Blog/il-fascino-e-la-professionalit%C3%A0-delle-escort-a-genova-esperienze-positive-da-scoprire/202656/

https://nalubyutemy.forum2x2.ru/t19382-topic#42517

https://www.dibiz.com/tuadiva1

http://opensource.platon.sk/forum/projects/viewtopic.php?p=12470370#12470370

https://www.diggerslist.com/tuadiva/about

https://www.outdoorproject.com/users/tua-diva

https://boinc.bakerlab.org/rosetta/forum_thread.php?id=15185#108548

https://gitlab.aicrowd.com/-/snippets/99846

https://party.biz/blogs/221228/316928/una-storia-di-passione-e-bellezza-la-mia-esperienza-come-escor

https://b.cari.com.my/home.php?mod=space&uid=2601271&do=blog&quickforward=1&id=467375

http://foxsheets.com/UserProfile/tabid/57/userId/147444/Default.aspx

https://ufachgk.forum24.ru/?1-18-0-00000020-000-0-0-1693482748

https://www.musicinafrica.net/users/tua-diva

https://demo.hedgedoc.org/s/057obT3Ki

http://bioimagingcore.be/q2a/808317/escort-milano-larte-delleleganza-della-compagnia-di-classe

https://www.thesims3.com/myBlog.html?persona=TuaDiva&showBlogMasterPopup=false

https://telescope.ac/tuadiva/gqnyq1rk5zmmqlult92ntb

https://www.hoaxbuster.com/redacteur/tuadiva

https://shout.com/s/Ermaflpw

https://benchling.com/s/etr-eZ2VWG21BGVvbwvDYhgn/edit

https://expatarrivals.com/user/282259

https://lessons.drawspace.com/post/475574/l-armonia-dell-eleganza-escort-a-palermo-e-inco

https://www.vevioz.com/read-blog/44244

https://caramellaapp.com/private/KlBuPFqgS/FCl-W0lrl/donna-cerca-uomo-genova

http://www.escort-bologna.shoppingcartsplus.com/index.html

http://gitlab.sleepace.com/snippets/25276

https://buddybio.com/read-blog/51026

https://graph.org/Incontri-a-Palermo-La-Passione-e-la-Bellezza-del-Desiderio-09-08

https://offcourse.co/users/profile/tuadiva

https://www.ijimai.org/journal/user/78096

 

 
ลิงค์ที่เกี่ยวข้อง : https://www.tuadiva.com/escorts/bologna/
TuaDiva [188.25.161.xxx] เมื่อ 8/09/2023 20:00
6116
อ้างอิง

seo agency in Oceania
 
ลิงค์ที่เกี่ยวข้อง : https://superwebdevelopment.com
seo agency in Oceania [103.92.43.xxx] เมื่อ 8/09/2023 20:08
6117
อ้างอิง

Pink Beautie
 
Pink Beautie [171.48.21.xxx] เมื่อ 8/09/2023 22:41
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846
ความคิดเห็นของผู้เข้าชม
ชื่อผู้แสดงความคิดเห็น :
สถานะ : รหัสผ่าน :
ลิงค์ที่เกี่ยวข้อง :
รหัสความปลอดภัย :