Wolfram karbida: Perbedaan antara revisi
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←Membuat halaman berisi ''''Tungsten karbida''' (rumus kimia : '''WC''') adalah senyawa kimia (khususnya, karbida) yang mengandung atom tungsten dan karbon dalam jumlah yang sama. Dalam bentuknya yang paling dasar, tungsten carbide adalah bubuk abu-abu halus, tetapi dapat ditekan dan dibentuk menjadi bentuk melalui proses yang disebut sintering untuk digunakan dalam mesin industri, alat pemotong, abrasive, mata bor lapis baja dan perhiasan.<ref name=Pierson>{{cite...' |
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Baris 1:
{{Chembox
'''Tungsten karbida''' (rumus kimia : '''WC''') adalah [[senyawa kimia]] (khususnya, karbida) yang mengandung atom tungsten dan karbon dalam jumlah yang sama. Dalam bentuknya yang paling dasar, tungsten carbide adalah [[bubuk]] abu-abu halus, tetapi dapat ditekan dan dibentuk menjadi bentuk melalui proses yang disebut [[penyinteran|sintering]] untuk digunakan dalam mesin industri, alat pemotong, abrasive, mata bor lapis baja dan perhiasan.<ref name=Pierson>{{cite book |first=Hugh O.|last=Pierson|year=1992|title=Handbook of Chemical Vapor Deposition (CVD): Principles, Technology, and Applications|publisher=William Andrew Inc.|isbn=0-8155-1300-3}}</ref><ref>Lackner, A. and Filzwieser A. "Gas carburizing of tungsten carbide (WC) powder" {{US patent|6447742}} (2002)</ref><ref>{{cite journal |last1=Zhong|first1=Y. |journal=Journal of Materials Science|year=2011|volume=46|pages=6323–6331|doi= 10.1007/s10853-010-4937-y|title=A study on the synthesis of nanostructured WC–10 wt% Co particles from {{chem|WO|3}}, {{chem|Co|3|O|4}}, and graphite|issue=19|last2=Shaw |first2=L. |bibcode=2011JMatS..46.6323Z|s2cid=137383773 }}</ref>▼
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 452024347
| Name = Wolfram karbida
| ImageFile = Α-WC-polyhedral.png
| ImageName = α-Tungsten carbide in the unit cell
| ImageFile1 =
| ImageSize1 = 220px
| ImageName1 = Blok wolfram carbida
| IUPACName = Wolfram karbida
| OtherNames = Wolfram (IV) karbida<br/>
Wolfram tetrakarbida
|Section1={{Chembox Identifiers
| CASNo_Ref = {{cascite|correct|CAS}}
| CASNo = 12070-12-1
| PubChem = 2724274
| PubChem_Comment = (W<sup>+</sup>≡C<sup>−</sup>)
| EC_number = 235-123-0
| ChemSpiderID = 2006424
| RTECS = YO7250000
| UNNumber = 3178
| DTXSID = DTXSID4029305
| SMILES = [C-]#[W+]
| SMILES_Comment = (W<sup>+</sup>≡C<sup>−</sup>)
| StdInChI_Ref = {{stdinchicite|changed|chemspider}}
| StdInChI = 1S/C.W/q-1;+1
| StdInChI_Comment = (W<sup>+</sup>≡C<sup>−</sup>)
| StdInChIKey_Ref = {{stdinchicite|changed|chemspider}}
| StdInChIKey = UONOETXJSWQNOL-UHFFFAOYSA-N
}}
|Section2={{Chembox Properties
|C=1|W=1
| Formula = WC
| Appearance = Padat berkilau abu-abu-hitam
| Density = 15.63 g/cm<sup>3</sup><ref>{{Cite web |url=http://gestis-en.itrust.de/nxt/gateway.dll/gestis_en/491085.xml |title=Salinan arsip |access-date=2021-11-16 |archive-date=2012-03-24 |archive-url=https://web.archive.org/web/20120324232529/http://gestis-en.itrust.de/nxt/gateway.dll/gestis_en/491085.xml |dead-url=yes }}</ref>
| Solubility = Tidak larut
| SolubleOther = Larut dalam {{chem|link=asam nitrat|HNO|3}}, {{chem|link=hydrofluoric acid|HF}}<ref name=crc/>
| MeltingPtC = 2785–2830
| MeltingPt_ref = <ref name=crc>{{RubberBible92nd|page=4.96}}</ref><ref name=shthcc>{{cite book |url=https://books.google.com/books?id=RYt0Wzb60b4C&pg=PA2670|title=Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens |edition=6th |page=2670 |first=Richard P. |last=Pohanish |year=2012 |publisher=[[Elsevier|Elsevier, Inc.]] |isbn=978-1-4377-7869-4}}</ref>
| BoilingPtC = 6000
| BoilingPt_notes = <br/> at 760 mmHg<ref name=shthcc/>
| MagSus = 1·10<sup>−5</sup> cm<sup>3</sup>/mol<ref name=crc/>
| ThermalConductivity =110 W/(m·K)<ref name=Blau2003/>
}}
|Section3={{Chembox Structure
| CrystalStruct = [[Sistem kristal heksagonal|Heksagonal]], [[Pearson symbol|hP2]]<ref name=str/>
| SpaceGroup = P{{overline|6}}m2, No. 187<ref name=str>[[#Kurlov|Kurlov]], p. 22</ref>
| PointGroup = {{overline|6}}m2<ref name=str/>
| LattConst_a = 2.906 Å
| LattConst_b =
| LattConst_c = 2.837 Å<ref name=str/>
| LattConst_alpha =
| LattConst_beta =
| LattConst_gamma = 120
| MolShape = Prismatik trigonal (pusat di C)<ref name=Wells>{{cite book |last=Wells|first=A. F.|year=1984|title=Structural Inorganic Chemistry|url=https://archive.org/details/structuralinorga0000well_m8i1|edition=5th|publisher= Oxford Science Publications|isbn=0-19-855370-6}}</ref>
}}
|Section4={{Chembox Thermochemistry
| HeatCapacity = 39.8 J/(mol·K)<ref name=Blau2003>{{cite book |author=Blau, Peter J. |title=Wear of Materials|url=https://books.google.com/books?id=2FO5T8u0oQUC&pg=PA1345|year=2003|publisher=Elsevier|isbn=978-0-08-044301-0|page=1345}}</ref>
| Entropy = 32.1 J/mol·K
}}
|Section8={{Chembox Related
| OtherAnions = [[Tungsten borida]]<br/>[[Tungsten nitrida]]
| OtherCations = [[Molibdenum karbida]]<br/>[[Titanium karbida]]<br/>[[Silikon karbida]]
}}
}}
[[Berkas:Drill bit 2-italy.JPG|250px|jmpl| Mata bor sumur minyak.]]
[[Berkas:Tungsten carbide.jpg|250px|jmpl|Mata bor tangan dari bahan tungsten karbida.]]
▲'''
== Referensi ==
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{{Senyawa wolfram}}
[[Kategori:Karbida]]
[[Kategori:Bahan superkeras]]
[[Kategori:Senyawa
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