ทังสเตนคาร์ไบด์

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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

Kurlov, p. 22
Blau, Peter J. (2003). Wear of Materials. Elsevier. p. 1345. ISBN 978-0-08-044301-0.
Pierson, Hugh O. (1992). Handbook of Chemical Vapor Deposition (CVD): Principles, Technology, and Applications. William Andrew Inc. ISBN 0-8155-1300-3.
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.
Groover, Mikell P. (2010). Fundamentals of Modern Manufacturing: Materials, Processes, and Systems. John Wiley & Sons. p. 135. ISBN 978-0-470-46700-8.
Kurlov, p. 3
Cardarelli, François (2008). Materials Handbook: A Concise Desktop Reference. Springer Science & Business Media. pp. 640–. ISBN 978-1-84628-669-8.
Kurlov, pp. 30, 135
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.
12th Report on Carcinogens'. National Toxicology Program. http://ntp.niehs.nih.gov/go/roc12. เรียกข้อมูลเมื่อ 2011-06-24.

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Rowan	https://worldvectorlogo.com/ja/profile/rowan-evans https://willysforsale.com/author/rowanevans1710/ https://www.8a.nu/user/rowan-evans https://3d.cappasity.com/u/rowanevans1710 https://careers.gita.org/profiles/7356628-rowan-evans https://lit.link/en/rowanevans https://www.devglan.com/user/public/rowanevans17106 https://beteiligung.hafencity.com/profile/rowanevans1710/ https://schoolido.lu/user/rowanevans1710/ https://spiderum.com/nguoi-dung/rowanevans1710 https://jobs.foodtechconnect.com/companies/everyday-health-club/ https://lifeinsys.com/user/rowanevans1710/ https://uiverse.io/profile/rowan_3909 https://id.devby.io/users/rowanevans1710 https://metaldevastationradio.com/rowanevans1711 http://www.ljudmila.org/~crsn/forum/profile.php?mode=viewprofile&u=5463 https://jobs.lajobsportal.org/profiles/7356786-rowan-evans https://panorama.solutions/en/user/rowan-evans https://www.guydemarle.com/profil/rowanevans1710-144300 https://www.edudip.market/profile/rowan-evans/5373376 https://substance3d.adobe.com/community-assets/profile/org.adobe.user:25B922CB68F20B360A495CEC@AdobeID https://gitlab.com/rowanevans1710 https://www.twitch.tv/rowanevans1710/about https://everydayhealthclub.bigcartel.com/ https://gravatar.com/zestfulf6f6d6cf23 https://www.producthunt.com/@rowan_evans https://www.deviantart.com/rowanevans17 https://everyday-health-club.gitbook.io/everyday-health-club-docs/ https://hub.docker.com/u/rowanevans1710 https://connect.garmin.com/modern/profile/8b6f64a6-b32f-4dca-889e-bdb5a2c4e57f https://everydayhealthclub.mystrikingly.com/ https://www.walkscore.com/people/338521198202/rowan-evans https://everydayhealthclub.amebaownd.com/posts/57922446 https://www.ameba.jp/profile/general/rowanevans1710/ https://pastebin.com/u/rowanevans1710 https://qiita.com/rowanevans1710 https://qna.habr.com/user/rowanevans1710 https://everydayhealthclub.mypixieset.com/ https://forum.codeigniter.com/member.php?action=profile&uid=198646 https://www.wantedly.com/id/rowan_evans http://topmate.io/rowan_evans https://apify.com/lovely_fog https://bluegrasstoday.com/directories/dashboard/reviews/rowanevans1710/ https://coub.com/rowanevans1710 https://estar.jp/users/1922575129 https://forum.autobazar.eu/uzivatel2130886.html https://forum.ircam.fr/profile/rowanevans1710/ https://forum.m5stack.com/user/rowanevans1710 https://hackmd.io/@6uKwF5dmT6WahbYxMtX-hg/ByorOok0ll https://logopond.com/rowanevans1710/profile/782026/ https://md.yeswiki.net/s/cgjFEH9ht https://motion-gallery.net/users/851505 https://notionpress.com/author/1390291 https://pad.stuve.uni-ulm.de/s/oMLrFRDPT https://www.warriorforum.com/members/rowan-evans.html https://www.start.gg/user/14e513a8 https://www.kompasiana.com/rowanevans1532 https://www.haikudeck.com/presentations/rowan.Evans https://www.efunda.com/members/people/show_people.cfm?Usr=rowanevans1710 https://www.cureus.com/users/1168848-rowan-evans https://www.couchsurfing.com/people/rowan-evans-3 https://www.codewars.com/users/rowanevans1710 https://www.cake.me/me/rowan-evans https://videa.hu/tagok/rowanevans1710-2600819 https://throne.com/rowanevans1710 https://slides.com/d/Bu0urnk/speaker/rB24gI0
	Rowan [152.57.157.xxx] เมื่อ 21/10/2025 14:57

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