Carbon steel
A na-etinyekarị ya na akụrụngwa arụ ọrụ na-adabere na ọdịnaya carbon nke ígwè na nke enweghị ihe na-adịghị mma, mgbe ụfọdụ a na-akpọ carbon ma ọ bụ carbon ma ọ bụ carbon.
Carbon steel, nke a na-akpọkwa carbon ígwè, na-ezo aka na iron-carbon nwere ihe na-erughị 2% carbon wc.
Carbon steel nwere obere nke silicon, manganese, sọlfọ na phosphorus na carbon.
Dabere na iji eriri carbon nwere ike kewaa ụzọ atọ nke carbon owuwu, nchara carbon na-egbute usoro na-ekewa ụzọ abụọ nke usoro iwu na igwe na-arụ ọrụ;
Dabere na usoro smelting nwere ike kewaa n'ime ewepụghị nchara dị larịị, nchara na nchara eletrik;
Dabere na usoro dexipation na esi ísì ụtọ (f), setọntary nchara (z), ọkara seminary nchara (bz);
Dabere na enwere ike kee ọdịnaya carbon nke carbon carbon (wc ≤ 0.65% -0 ígwè (wc> 0.6%);
Dabere na nke phosphorus, sọlfọ nke eriri carbon a nwere ike kewara ya na ígwè carbon nkịtị), sọlfọ dị elu (nke nwere ngwa dị elu (nke nwere obere igwe, sọlfọ dị elu) na steel dị elu.
Ihe dị elu carbon dị elu n'ozuzu carbon carbon, kasie ike, nke dị elu, mana ala na-emebi emebi.
Igwe anaghị agba nchara
A na-ezo aka na nchara nchara dị ka igwe anaghị agba nchara, nke mejupụtara akụkụ abụọ dị mkpa: igwe anaghị agba nchara na steel na-eguzogide. Na nkenke, nchara nke nwere ike iguzogide oghere corrosion a na-akpọ igwe anaghị agba nchara, ebe ígwè nke nwere ike iguzogide corrosion site na kemịkal kemịkalụ na-akpọ steel na-eguzogide eguzogide. Igwe anaghị agba nchara bụ ihe dị elu na-enwe ihe karịrị 60% nke iron dị ka matrix, na-agbakwunye chromium, nickel, molybum na ihe ndị ọzọ na-enye ha.
Mgbe nchara ahụ nwere ihe karịrị 12% Chromium, nchara ahụ na ikuku ma jiri nerric acid adịghị mfe adịghị mfe corrome na nchara. Ihe kpatara ya bụ na Chromium nwere ike itolite nke chromiumxium oxide vidio dị n'elu steel, na-echebe nchara ahụ na corrosion. Igwe anaghị agba nchara dị na mpaghara chromium karịrị ihe 14%, mana igwe anaghị agba nchara abụghị nke a na-enweghị isi. N'ebe a na-eme mkpọtụ ikuku ma ọ bụ ụfọdụ mmetọ ikuku na-efe efe, mgbe ikuku chloride bụ nnukwu ikuku, mana ntụpọ ndị a bụ naanị matriks anaghị agba nchara.
N'ikwu okwu, ego nke Chrome wcr kariri 12% nke nchara ahụ, igwe anaghị agba nchara, ígwè anaghị agba nchara, ójinitic - ferrite luzenized ígwè.
A na-ekekarị igwe anaghị agba nchara na-abụkarị nke nzukọ:
1, ferritic anaghị agba nchara. Nwere 12% ruo 30% Chromium. Ya na-eguzogide ya, ihe isi ike na Wardability na mmụba na-abawanye na chromium ma melite nrụgide nrụgide Corlorion dị mma karịa ụdị igwe anaghị agba nchara.
2, ógbè na-enweghị igwe anaghị agba nchara. Inwe ihe karịrị 18% Chromium, nwekwara ihe dị ka 8% nickel na obere ego nke molybdenum, titanium, nitrogen na ihe ndị ọzọ. Ngosipụta zuru oke dị mma, nwere ike iguzogide ọgwụ dị iche iche.
3, ólanitic - Ferritic Duplex nke igwe anaghị agba nchara. Ma obodo na-agba nchara ma na-enweghị igwe anaghị agba nchara, ma nwee uru dị ukwuu nke oke dị elu.
4, Martensitic anaghị agba nchara. Ike dị elu, mana plastinity na-adịghị mma na Waldọ.
Post Oge: Nove 15-2023