Kurongwa kwesimbi yechiwanikwa
Zvinonzichiwanikwa chesimbi pombindeyekuwedzera zvimwe zvinhu zve alloy zvichibva pasimbi yekabhoni, zvakaita seSi, Mn, W, V, Ti, Cr, Ni, Mo, nezvimwewo, izvo zvinogona kuvandudza simba, kuomarara, kuomarara, kuchinjika, nezvimwewo zvesimbi. Simbi ye alloy inogona kupatsanurwa zvichienderana nezviri mu alloy elements, uye mukugadzirwa kwemaindasitiri nehupenyu, alloy steel ichashandiswa mumaindasitiri chaiwo, uye zvakajairikawo kupatsanura zvichienderana nechinangwa.
Kupatsanura zvichienderana nezviri mu alloying elements
Simbi isina alloy: huwandu hwese hwe alloy huri pasi pe5%;
Simbi yesimbi ine alloy yepakati: huwandu hwese hwe alloy i5 ~ 10%;
Simbi ine alloy yakawanda: huwandu hwese hwe alloy hwakakwira kupfuura 10%.
Kupatsanura nechinangwa
Simbi yekuvaka ine alloy: simbi yekuvaka ine alloy yakaderera (inozivikanwawo sesimbi yakajairika ine alloy yakaderera); simbi ine carburizing, simbi yakadzima uye yakanyoroveswa, simbi yechitubu che alloy; simbi ine bhora
Simbi yemidziyo yeAlloy: simbi yemidziyo yekucheka alloy (kusanganisira simbi yemidziyo yekucheka alloy yakaderera, simbi inokurumidza); simbi yealloy die (kusanganisira simbi yealloy inotonhora, simbi inopisa); simbi yemidziyo yekuyera
Simbi inoshanda zvakanyanya: simbi isina ngura, simbi inodzivirira kupisa, simbi inodzivirira kupfeka, nezvimwewo.
Nhamba yesimbi ye alloy
Simbi yakasimba kwazvo ine chiwanikwa chakaderera
Zita rekambani yayo rakarongwa nezvikamu zvitatu: bhii reChinese pinyin (Q) rinomiririra poindi yekukohwa, kukosha kwemuganho wekukohwa, uye chiratidzo chemhando yepamusoro (A, B, C, D, E). Semuenzaniso, Q390A zvinoreva simbi ine simba rakawanda ine simba rekukohwa σs=390N/mm2 uye mhando yepamusoro A.
Simbi yekuvaka chiwanikwa
Zita rayo rechiratidzo rine zvikamu zvitatu: "manhamba maviri, zviratidzo gumi zvechinhu + nhamba". Manhamba maviri ekutanga anomiririra ka10,000 kaavhareji yechikamu chekabhoni musimbi, chiratidzo chechinhu chinoratidza zvinhu zvinobatanidza zviri musimbi, uye manhamba ari kumashure kwechiratidzo chechinhu anoratidza ka100 kaavhareji yechikamu chehukuru hwechinhu. Kana avhareji yechikamu chehukuru hwezvinhu zvinobatanidza iri pasi pe1.5%, kazhinji zvinhu chete ndizvo zvinoratidzwa asi kwete kukosha kwenhamba; kana avhareji yechikamu chehukuru iri ≥1.5%, ≥2.5%, ≥3.5%, ..., 2 na3 zvakaratidzwa zvakafanana kumashure kwezvinhu zvinosanganisa, 4, . . . Semuenzaniso, 40Cr ine avhareji yechikamu chekabhoni Wc=0.4%, uye avhareji yechikamu chechromium mass WCr<1.5%. Kana iri simbi yepamusoro-soro, wedzera "A" pakupera kwegiredhi. Semuenzaniso, 38CrMoAlA simbi ndeyesimbi yepamusoro-soro yesimbi yakagadzirwa nealloy.
Simbi inotenderera inobereka
Wedzera "G" (bhii rekutanga reChinese pinyin reshoko rekuti "roll") pamberi pezita rechiratidzo, uye nhamba iri shure kwayo inoratidza kane chiuru chikamu che chromium, uye chikamu che carbon hachina kunyorwa. Semuenzaniso, GCr15 steel isimbi inotenderera ine avhareji yechikamu che chromium WCr = 1.5%. Kana chromium bearing steel iine zvimwe zvinhu zve alloying zvisiri chromium, nzira yekutaura yezvinhu izvi yakafanana neye general alloy structural steel. Rolling bearing steels dzese isimbi dzemhando yepamusoro, asi "A" haiwedzerwi mushure megiredhi.
Chishandiso chesimbi chinoshandiswa mu alloy
Musiyano uripo pakati penzira yekuverenga nhamba dzemhando iyi yesimbi nesimbi ye alloy structural ndewekuti kana Wc <1%, nhamba imwe inoshandiswa kuratidza kanenge ka1000 kachikamu chehuremu hwekabhoni; kana chikamu chehuremu hwekabhoni chiri ≥1%, hachina chiratidzo. Semuenzaniso, simbi yeCr12MoV ine chikamu chehuremu hwekabhoni cheWc = 1.45% ~ 1.70%, saka haina chiratidzo; chikamu chehuremu hwekabhoni cheCr i12%, uye zvikamu zvehuremu zveMo neV zvese zviri pasi pe1.5%. Mumwe muenzaniso isimbi ye9SiCr, avhareji yayo Wc = 0.9%, uye avhareji WCr i <1.5%. Zvisinei, simbi yemidziyo inomhanya zvakanyanya, uye avhareji yayo kabhoni haina chiratidzo zvisinei nekuti yakawanda sei. Nekuti simbi yemidziyo ye alloy nesimbi yemidziyo inomhanya zvakanyanya isimbi yepamusoro-soro, hapana chikonzero chekuisa chiratidzo "A" mushure megiredhi rayo.
Simbi isina ngura uye simbi inodzivirira kupisa
Nhamba iri pamberi pemhando iyi yesimbi inoratidza kakapetwa chiuru pane kabhoni. Semuenzaniso, 3Crl3 simbi zvinoreva kuti avhareji yehuwandu hwechinhu Wc = 0.3%, uye avhareji yehuwandu hwechinhu WCr = 13%. Kana huwandu hwehuwandu hwechinhu Wc ≤ 0.03% uye Wc ≤ 0.08%, inoratidzwa ne "00" uye "0" pamberi pechiratidzo, senge 00Cr17Ni14Mo2,0Cr19Ni9 simbi, nezvimwewo.
Nguva yekutumira: Kurume-13-2023