Okwu mmalite:

Nchara Tungsten, nke a makwaara dị ka carbide cimented, na-ezo aka na ihe mejupụtara ya nwere opekata mpe otu carbide metal. Tungsten carbide, cobalt carbide, niobium carbide, titanium carbide, na tantalum carbide bụ ihe a na-ahụkarị nke tungsten ígwè. Ogo ọka nke akụkụ carbide (ma ọ bụ oge) na-adịkarị n'etiti 0.2-10 microns, a na-ejikọta mkpụrụ osisi carbide ọnụ site na iji ihe nkedo ọla. Ihe nkedo na-ezokarị aka na metal cobalt (Co), mana maka ụfọdụ ngwa pụrụ iche, nickel (Ni), iron (Fe), ma ọ bụ ọla ndị ọzọ na alloys nwekwara ike iji. A na-ezo aka nchikota ngwakọta nke carbide na nkebi nke a ga-ekpebi dị ka "ọkwa".

A na-eme nhazi nke tungsten ígwè dịka ụkpụrụ ISO si dị. Nkewa nke a dabere na ụdị ihe eji arụ ọrụ (dị ka akara P, M, K, N, S, H). A na-eji usoro ihe nchikota nke ọma eme ihe maka ike ya na nguzogide corrosion.

Matriks nke tungsten nchara nwere akụkụ abụọ: otu akụkụ bụ usoro siri ike; akụkụ nke ọzọ bụ metal bonding. Ọla na-ekekọta bụ n'ozuzu ígwè otu ọla, nke a na-ejikarị cobalt na nickel eme ihe. Ya mere, e nwere tungsten-cobalt alloys, tungsten-nickel alloys na tungsten-titanium-cobalt alloys.

Maka ígwè ndị nwere tungsten, dị ka ígwè dị elu na ụfọdụ ọrụ ọkụ na-anwụ anwụ, ihe ndị dị na tungsten dị na nchara nwere ike ime ka ike siri ike na ikpo ọkụ nke ígwè ahụ dịkwuo mma, ma ike ahụ ga-adaba nke ọma.

Isi ngwa nke akụrụngwa tungsten bụkwa carbide cimented, ya bụ, nchara tungsten. Carbide, nke a maara dị ka ezé nke ụlọ ọrụ ọgbara ọhụrụ, na-ejikarị na ngwaahịa tungsten ígwè.

Usoro ihe eji eme ihe

Usoro ịgbakọ:

Sintering nke tungsten ígwè bụ ịpị ntụ ntụ n'ime a billet, wee banye sintering ọkụ na-ekpo ọkụ na a ụfọdụ okpomọkụ (sintering okpomọkụ), na-edebe ya ruo oge ụfọdụ (jide oge), wee dajụọ ya, ka ị nweta. ihe nchara tungsten nwere ihe ndi choro.

Usoro anọ bụ isi nke tungsten steel sintering usoro:

1. N'ọkwa nke iwepụ onye na-emepụta ihe na nke mbụ, anụ ahụ na-eme mgbanwe na-eme mgbanwe ndị a n'oge a:

Mwepụ nke onye na-akpụzi ihe, na mmụba nke okpomọkụ na ọkwa mbụ nke sintering, onye na-emepụta ihe na-eji nwayọọ nwayọọ na-emebi ma ọ bụ vaporizes, a na-ewepụkwa anụ ahụ na-adịghị mma. Ụdị, ọnụ ọgụgụ na usoro nchịkọta dị iche iche.

A na-ebelata oxides n'elu ntụ ntụ. N'ebe okpomọkụ na-ekpo ọkụ, hydrogen nwere ike ibelata oxides nke cobalt na tungsten. Ọ bụrụ na e wepụrụ onye na-emepụta ihe na oghere ma gbanye ya, mmeghachi omume carbon-oxygen adịghị ike. A na-eji nwayọọ nwayọọ kpochapụ nrụgide kọntaktị n'etiti ihe ndị dị n'ime ntụ ntụ, ngwakọta metal ntụ ntụ na-amalite ịmaliteghachi na recrystallize, mgbasa ozi elu na-amalite ime, na ike briquetting dị mma.

2. Agba siri ike sintering ogbo (800 ℃ — — eutectic okpomọkụ)

Na okpomọkụ tupu ọdịdị nke mmiri mmiri ahụ pụta, na mgbakwunye na ịga n'ihu na usoro nke ọkwa gara aga, mmeghachi omume siri ike na mgbasawanye na-abawanye, a na-eme ka ọkpụkpụ plastik na-emewanyewanye, na anụ ahụ na-adaba adaba nke ukwuu.

3. Ogbo sintering nke mmiri mmiri (okpomọkụ eutectic - ọnọdụ okpomọkụ)

Mgbe usoro mmiri mmiri na-apụta n'ime ahụ nke e mebiri emebi, a na-emecha nkwụsị ahụ ngwa ngwa, ngbanwe nke crystallographic na-esote iji mepụta nhazi na nhazi nke alloy.

4. Ogbo jụrụ oyi (sintering okpomọkụ - ụlọ okpomọkụ)

N'oge a, nhazi na nhazi nke tungsten ígwè nwere mgbanwe ụfọdụ na ọnọdụ dị jụụ dị iche iche. Enwere ike iji njirimara a na-ekpo ọkụ-trench tungsten steel iji meziwanye ihe anụ ahụ na arụ ọrụ ya.

Ntinye ngwa

Tungsten ígwè bụ nke cemented carbide, nke a makwaara dị ka tungsten-titanium alloy. Isi ike nwere ike iru 89 ~ 95HRA. N'ihi nke a, ngwaahịa nchara tungsten (nke a na-ahụkarị tungsten nchara) adịghị adị mfe na-eyi, siri ike na ọ dịghị atụ egwu annealing, ma kenkuwa.

Akụkụ bụ isi nke carbide cimented bụ tungsten carbide na cobalt, nke na-akpata 99% nke ihe niile, na 1% bụ ọla ndị ọzọ, yabụ a na-akpọkwa ya tungsten steel.

A na-ejikarị ya eme ihe n'ịrụ ọrụ dị elu, ihe ndị dị elu nke ọma, lathes, mmetụta ihe ọkụkụ, ihe na-egbutu iko, ndị na-egbutu tile, siri ike na ọ dịghị atụ egwu nkwụsịtụ, ma na-agbaji. Sonyere igwe anaghị adị ụkọ.

Tungsten ígwè (tungsten carbide) nwere usoro nke magburu onwe Njirimara dị ka elu ekweghị ekwe, eyi iguzogide, ezi ike na ike, okpomọkụ na-eguzogide na corrosion eguzogide, karịsịa ya elu ekweghị ekwe na eyi iguzogide, ọbụna na a okpomọkụ nke 500 ℃. Ọ na-anọgide na-agbanweghi agbanwe, ma ka nwere nnukwu ike na 1000 Celsius. A na-eji Carbide eme ihe n'ọtụtụ ebe dị ka ihe, dị ka ngwá ọrụ ntụgharị, ndị na-egwe ọka, ndị na-emepụta ihe, ihe ọkụkụ, ngwá ọrụ na-agwụ ike, wdg, maka ịcha ígwè nkedo, ọla ndị na-adịghị ferrous, plastik, eriri kemịkalụ, graphite, iko, nkume na ígwè nkịtị. a pụkwara iji ya mee ihe maka ịkpụ ígwè na-eguzogide ọgwụ. Ihe siri ike na-arụ ọrụ dị ka ígwè na-ekpo ọkụ, igwe anaghị agba nchara, nnukwu manganese ígwè, ngwá ọrụ ígwè, wdg. Mbelata ọsọ nke carbide cimented ọhụrụ bụ ọtụtụ narị ugboro nke carbon ígwè.

Tungsten ígwè (tungsten carbide) nwekwara ike iji mee ngwá ọrụ na-egwupụta nkume, ngwá ọrụ ngwuputa, ngwá ọrụ ịkụ ala, ihe atụ, akụkụ na-eguzogide ọgwụ, ígwè abrasives, cylinder lining, kpọmkwem bearings, nozzles, wdg.

Ntụle nke tungsten ígwè akara ule: S1, S2, S3, S4, S5, S25, M1, M2, H3, H2, H1, G1 G2 G5 G6 G7 D30 D40 K05 K10 K20 YG3X YG3 YG4C YG6 YG8 YG10 YG12 Y5 YG20 YG25 YG28YT5 YT14 YT15 P10 P20 M10 M20 M30 M40 V10 V20 V30 V40 Z01 Z10 Z20 Z30

Tungsten steel, mma carbide cimented, na nkọwa ọkọlọtọ tungsten carbide dị iche iche nwere nnukwu ngwa ahịa, oghere ndị ahụ dị na ngwaahịa.

Usoro ihe onwunwe

Ngwaahịa nnọchite anya nke tungsten steel usoro ihe bụ: ogwe okirikiri, mpempe akwụkwọ tungsten, warara nchara, wdg.

Ihe ebu

Tungsten ígwè na-aga n'ihu anwụ, tungsten ígwè ịbịaru anwụ, tungsten ígwè ịbịaru anwụ, tungsten ígwè waya ịbịaru anwụ, tungsten ígwè na-ekpo ọkụ extrusion anwụ, tungsten ígwè oyi stamping anwụ, tungsten ígwè na-akpụ blanking anwụ, tungsten ígwè oyi isi anwụ, wdg.

Ngwuputa ngwaahịa

Ngwaahịa ndị nnọchiteanya bụ: tungsten ígwè okporo ụzọ na-egwupụta ezé / ezé na-egwupụta okporo ụzọ, tungsten ígwè egbe egbe, tungsten ígwè ọkpọkọ, tungsten ígwè drill bits, tungsten ígwè DTH drill bits, tungsten ígwè roller cone ibe n'ibe, tungsten ígwè coal cutters ezé, Tungsten ígwè. Ezé Bit oghere, wdg.

Ihe na-eguzogide iyi

Tungsten ígwè akara mgbanaka, tungsten ígwè eyi na-eguzogide ihe onwunwe, tungsten ígwè plunger ihe, tungsten ígwè ndu okporo ígwè ihe, tungsten ígwè nozulu, tungsten ígwè egweri igwe spindle ihe, wdg

Tungsten ígwè ihe onwunwe

Aha agụmakwụkwọ nke tungsten ígwè ihe onwunwe bụ tungsten ígwè profaịlụ, ahụkarị ngwaahịa ngwaahịa bụ: tungsten ígwè gburugburu mmanya, tungsten ígwè warara, tungsten ígwè diski, tungsten ígwè mpempe akwụkwọ, wdg.

Oge nzipu: Ọgọst-30-2022