Carbon bụ otu n'ime ihe ndị bụ isi nke ígwè ọrụ mmepụta ihe.Arụ ọrụ na nhazi nke ígwè na-ekpebi nke ukwuu site na ọdịnaya na nkesa nke carbon na ígwè.Mmetụta nke carbon dị mkpa karịsịa na igwe anaghị agba nchara.Mmetụta nke carbon na nhazi nke igwe anaghị agba nchara na-apụtakarị n'akụkụ abụọ.N'otu aka ahụ, carbon bụ ihe na-eme ka austenite guzosie ike, mmetụta ya dịkwa ukwuu (ihe dị ka ugboro 30 nke nickel), n'aka nke ọzọ, n'ihi nnukwu mmekọrịta nke carbon na chromium.Nnukwu, na chromium - usoro mgbagwoju anya nke carbide.Ya mere, n'ihe gbasara ike na nguzogide corrosion, ọrụ carbon na igwe anaghị agba nchara na-emegiderịta onwe ya.
N'ịghọta iwu nke mmetụta a, anyị nwere ike ịhọrọ igwe anaghị agba nchara nwere carbon dị iche iche dabere na ihe dị iche iche chọrọ.
Dị ka ihe atụ, ọkọlọtọ chromium ọdịnaya nke ise ígwè akara ule nke 0Crl3 ~ 4Cr13, bụ nke kasị n'ọtụtụ ebe na-eji na ụlọ ọrụ na bụ nke kacha nta, na-setịpụrụ na 12 ~ 14%, ya bụ, ihe na-eme ka carbon na chromium na-etolite chromium carbide n'uche.Ebumnuche bụ isi bụ na mgbe e jikọtara carbon na chromium n'ime chromium carbide, ọdịnaya chromium na ngwọta siri ike agaghị adị ala karịa ọdịnaya chromium kacha nta nke 11.7%.
N'ihe gbasara akara nchara ise a, n'ihi ọdịiche dị na ọdịnaya carbon, ike na nguzogide corrosion dịkwa iche.Nguzogide corrosion nke 0Cr13 ~ 2Crl3 ígwè dị mma ma ike dị ala karịa nke 3Crl3 na 4Cr13 ígwè.A na-ejikarị ya eme ihe maka imepụta akụkụ nhazi.
N'ihi nnukwu carbon carbon, akara nchara abụọ ahụ nwere ike nweta ike dị elu ma na-ejikarị emepụta isi iyi, mma na akụkụ ndị ọzọ na-achọ ike dị elu ma na-eyi nguzogide.Dị ka ihe atụ ọzọ, iji merie intergranular corrosion nke 18-8 chromium-nickel igwe anaghị agba nchara, na carbon ọdịnaya nke ígwè nwere ike belata na-erughị 0.03%, ma ọ bụ ihe mmewere (titanium ma ọ bụ niobium) na a affinity ka ukwuu karịa chromium na carbon nwere ike tinye iji gbochie ya na-akpụ carbide.Chromium ka ihe atụ, mgbe elu ekweghị ekwe na eyi iguzogide bụ isi chọrọ, anyị nwere ike dịkwuo carbon ọdịnaya nke ígwè mgbe na-amụba chromium ọdịnaya n'ụzọ kwesịrị ekwesị, nke mere ka izute chọrọ nke ekweghị ekwe na-eyi na-eguzogide, na-ewere n'ime akaụntụ ụfọdụ corrosion eguzogide, ulo oru eji dị ka bearings, atụ ngwaọrụ na agụba na igwe anaghị agba nchara 9Cr18 na 9Cr17 the 9Cr17 the carbon 5% n'ihi na chromium 5% dị ka chromium dị ka chromium. A na-abawanye ọdịnaya ium otu a, yabụ na ọ ka na-ekwe nkwa nguzogide corrosion.Chọrọ.
N'ikwu okwu n'ozuzu, ọdịnaya carbon nke igwe anaghị agba nchara ugbu a na ụlọ ọrụ dị ntakịrị.Ọtụtụ n'ime igwe anaghị agba nchara nwere carbon nke 0.1 ruo 0.4%, na ígwè ndị na-eguzogide acid nwere ọdịnaya carbon nke 0.1 ruo 0.2%.Igwe igwe anaghị agba nchara nwere carbon dị elu karịa 0.4% mejupụtara naanị obere akụkụ nke ngụkọta akara ule, n'ihi na n'ọtụtụ ọnọdụ ojiji, igwe anaghị agba nchara na-enwe nguzogide corrosion mgbe niile dịka ebumnuche ha bụ isi.Na mgbakwunye, obere carbon ọdịnaya bụkwa n'ihi na ụfọdụ usoro chọrọ, dị ka mfe ịgbado ọkụ na oyi deformation.
Oge nzipu: Sep-27-2022