Ọdịiche Dị n'etiti Oke Ọsọ Ọsọ na Tungsten steel

Ngwongwo dị elu bụ nchara dị mgbagwoju anya, nwere carbide na-akpụpụta ihe dịka tungsten, molybdenum, chromium, vanadium, na cobalt. Mkpokọta ego nke alloying ọcha bụ banyere 10-25%. Ọ nwere ike ijigide ike siri ike ọbụlagodi mgbe oke ọkụ na-ewepụta oke ọkụ (ihe dịka 500 ℃), na HRC nwere ike karịa 60. Nke a bụ njirimara bụ isi nke ike siri ike nchara na-acha ọbara ọbara. Mgbe emenyụchara ya na iwe ọkụ na obere okpomọkụ, nchara ngwa ọrụ carbon nwere ike siri ike n'ime ụlọ, mana mgbe ọnọdụ okpomọkụ dị elu karịa 200 ℃, ekweghị ekwe na -agbada nke ọma, na ekweghị ekwe na 500 ℃ agbadala n'ogo dị ka steeti annealed. . , Enwekwaghị ikike ịkpụcha ọla, nke na -amachi iji nchara ngwa ọrụ carbon eme ngwaọrụ ịcha. Ngwongwo dị elu dị elu, n'ihi ịdị ike ya na-acha ọbara ọbara, na-emezighị emezighị emezi nke nchara carbon.

A na-ejikarị ígwè na-agba oke ọsọ arụpụta ihe dị nchara dị nkọ ma nwee mmetụta na-eguzogide. Ọ nwekwara ike rụpụta oke okpomọkụ amịs na extrusion oyi na -anwụ, dị ka ngwaọrụ ịgbanwu, mgbatị ahụ, hobs, agụba igwe, na ebu na -achọsi ike.

Tungsten steel (alloy siri ike) nwere usoro dị mma dị ka ike siri ike, na -eyi mgbochi, ezigbo ike na ike, nguzogide ọkụ na nguzogide corrosion, ọkachasị ike ya siri ike ma na -eyi nguzogide, ọbụlagodi na ọnọdụ okpomọkụ nke 500 ℃ Ọ bụrụ na ọ naghị agbanwe agbanwe, ka siri ike nke ukwuu na 1000 ℃.

Tungsten steel, nke ihe mejupụtara ya bụ tungsten carbide na cobalt, na -akpata 99% nke ihe niile, yana 1% bụ ọla ndị ọzọ, yabụ a na -akpọ ya tungsten steel, nke a makwaara dị ka carbide ciment, a na -ahụta ya dị ka ezé nke ụlọ ọrụ ọgbara ọhụrụ. .
Tungsten steel bụ ihe mejupụtara ihe mejupụtara nke nwere opekata mpe otu carbide ọla. Tungsten carbide, cobalt carbide, niobium carbide, titanium carbide, na tantalum carbide bụ ihe ndị a na -ahụkarị na nchara tungsten. Ogo ọka nke akụrụngwa carbide (ma ọ bụ usoro) na-adịkarị n'etiti 0.2-10 microns, a na-ejikọkwa mkpụrụ osisi carbide site na iji ihe nchara igwe. Ngwongwo a na -ejikọ ọnụ bụkarị igwe otu igwe, a na -ejikarị cobalt na nickel. Yabụ enwere alloy tungsten-cobalt, alloy tungsten-nickel na alloy tungsten-titanium-cobalt.

Tungsten steel sintering ịkpụzi bụ ịpị ntụ ntụ n'ime oghere, wee kpoo ya n'ime ọkụ na -enwu enwu ruo oke okpomọkụ (ọnọdụ okpomọkụ), debe ya ruo oge ụfọdụ (oge ijide), wee mee ka ọ dị jụụ iji nweta nchara tungsten. ihe nwere arụmọrụ achọrọ.

CarTungsten-cobalt na-ejikọ carbide

Ihe mejupụtara ya bụ tungsten carbide (WC) na cobalt binder (co). Ihe mejupụtara ọkwa ahụ bụ "YG" (aha mbido pinyin nke China nke "ike na cobalt") yana pasent nke ọdịnaya cobalt nkezi. Dịka ọmụmaatụ, YG8 pụtara na nkezi WCo = 8%, nke fọdụrụ bụ carbide tungsten-cobalt nke carbide tungsten.

UngTungsten-titanium-cobalt ciment carbide

Ihe mejupụtara ya bụ tungsten carbide, titanium carbide (TiC) na cobalt. Klas ahụ nwere "YT" (aha mbido pinyin nke China nke "ike na titanium") yana nkezi ọdịnaya nke carbide titanium. Dịka ọmụmaatụ, YT15 pụtara na nkezi TiC = 15%, nke fọdụrụ bụ tungsten carbide na cobalt tungsten-titanium-cobalt cemented carbide.

UngTungsten-titanium-tantalum (niobium) alloy siri ike

Ihe mejupụtara ya bụ tungsten carbide, titanium carbide, tantalum carbide (ma ọ bụ niobium carbide) na cobalt. A na -akpọkwa ụdị carbide ciment a na -akpọ carbide n'ozuzu ciment ma ọ bụ carbide ciment zuru ụwa ọnụ. Akara ahụ nwere "YW" (aha mmalite nke Chinese Pinyin nke "ike" na "万") gbakwunyere nọmba usoro, dị ka YW1.

Ngwongwo Tungsten nwere usoro dị mma dị ka ike siri ike, na -eyi nguzogide, ike na ike siri ike, nguzogide ọkụ na nguzogide corrosion, ọkachasị ike ya siri ike na iyi mgbochi, nke na -anọgide na -agbanweghi agbanwe ọbụlagodi na okpomọkụ nke 500 Celsius. Ọ ka nwere oke ike na 1000 ° C. A na -ejikarị carbide ciment eme ihe, dị ka ngwaọrụ ntụgharị, igwe ihe igwe nri, ibe ihe na -agwụ ike, ihe na -agwụ ike, wdg.

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