Akụkọ

N'ime usoro a na-arụ ọrụ, a na-eyikarị efere agba, nke na-emetụta arụmọrụ nkịtị nke onye na-agba agba. Akwụkwọ a na-amụ ihe dị ala carbon alloy nchara nke agba nhịahụ, ma na-atụle mgbanwe iwu nke agba agba siri ike na iyi nguzogide, iji chọpụta okpomọkụ na-ekpo ọkụ mgbe efere agba na-eyi nguzogide ruru ọkwa dị mma.

 Nhọrọ nke ihe agba agba

1. N'ichepụta ihe, a na-eji ígwè manganese dị elu na-eyi akwa na-eguzogide ọgwụ, a na-eji ihe nkedo babbitt alloy na-eme ka akpụ akpụ akpụ akpụ, a na-eji ígwè nkedo mee ka efere agba ahụ ka mma. inogide. Efere agba nke nhịhịa agba kwesịrị ịdị na-arụ ọrụ n'okpuru ọnọdụ ndị na-eguzogide iyi, mmetụta na-eguzogide na ọnọdụ siri ike. Ndị na-emepụta ihe dị iche iche na-eji ihe dị iche iche agba agba, dị ka nnukwu manganese ígwè, ọkara manganese ígwè, alloy cast iron, ọkara carbon alloy wear-resistant steel and high chromium cast iron.

2. A na-enweta nchara na-adịghị ala ala-carbon dị ala site n'ịgbakwụnye ihe dị iche iche nke alloy dị ka Cr, Si, Mn, Mo, V na ndabere nke ígwè-carbon ígwè, na mkpokọta alloy na-erughị 5. % Ụdị nke a na-emepụta ihe na-emepụta ihe na-emepụta ihe na-eme ka carbon-carbon dị ala nwere ike ịhazigharị ihe dị iche iche carbon dị iche iche na ọdịnaya alloy, n'ihi ya enwere ike ijikọta ya na usoro ọgwụgwọ okpomọkụ dị iche iche iji nweta ihe dị iche iche n'ibu, ya mere ọ dọtara mmasị na ngwa. N'ime akwụkwọ a, a na-amụ ihe mgbochi nke ọkara carbon obere alloy ZG42Mn2Si1REB, na mgbanwe iwu nke ike siri ike na eyi na-eguzogide okpomọkụ na-ekpo ọkụ, a na-atụlekwa usoro ọgwụgwọ okpomọkụ ka mma.

 Tọ nhọrọ nke usoro ọgwụgwọ okpomọkụ

Dị ka njiri mara nke ZG42Mn2Si1REB ígwè, ihe owuwu martensite nwetara mgbe emenyụchara nwere ike dị elu yana nguzogide iyi ka mma. A na-ahọrọ ihe atọ okpomọkụ nke 870 ℃, 900 ℃ na 930 ℃ maka ọgwụgwọ okpomọkụ, na tempering okpomọkụ bụ uniformly ofu na 230 ℃. N'ihi na ihe ahụ enweghị Mo element, iji hụ na ike siri ike, a na-eji 5% Nacl ngwọta mee ka ọ dị jụụ.

 Nsonaazụ na nyocha

1. Mmetụta nke quenching okpomọkụ na ike ike na eyi iguzogide

HR-150A Rockwell hardness meter tụrụ ike nke samples agbanyụọ na okpomọkụ dị iche iche, na-atụ isi 5 oge ọ bụla wee were nkezi uru. Achọpụtara na site na mmụba nke okpomọkụ na-emenyụ ọkụ, ike na-emenyụ ike na-ebu ụzọ mụbaa wee belata. Mgbe quenching okpomọkụ bụ 870 ℃, ike ike bụ HRC53. Mgbe okpomoku na-ekpo ọkụ na-ebili ruo 900 ℃, ike ahụ na-arịgokwa HRC55. Enwere ike ịhụ na ike na-abawanye na mmụba nke okpomọkụ; Mgbe okpomọkụ na-aga n'ihu na-abawanye ruo 930 ℃, ike na-ebelata na HRC54, enwere ike ịhụ na ike ahụ dị elu mgbe a kwụsịrị na 900 ℃. Ya mere, site na mmụba nke okpomọkụ, mbelata ịdị arọ na-ebelata. Mgbe okpomọkụ na-aga n'ihu na-ebili na 930 ℃, nkwụsị arọ na-abawanye na 3.5mg. Enwere ike ịhụ na mgbe agbanyụọ na 900 ℃, isi ike ya dị elu yana enweghị oke ibu. Igwe ọkụ na-adịghị ala ala carbon alloy na-eguzogide ígwè ZG42Mn2Si1REB nwere ezigbo nguzogide eyi, nke na-egosikwa na usoro n'oge a bụ usoro ọgwụgwọ okpomọkụ ziri ezi.

2. Ntụle nke iyi nguzogide n'etiti ọkara carbon ala alloy na elu manganese ígwè

Iji gosi na elu eyi nguzogide nke ọkara carbon alloy steel ZG42Mn2Si1REB, ihe a na-atụnyere elu manganese ígwè ZGMn13. N'ime ha, a nwalere ZG42Mn2Si1REB dị ka ọnọdụ nkà na ụzụ ndị a kpọtụrụ aha n'elu nke nkwụsị na 900 ℃ na tempering na 230 ℃, na nnukwu manganese ígwè ZGMn13 na-emeso ya na mmiri toughing. Nsonaazụ nnwale na-egosi na nguzogide na-eyi nke mbụ bụ 1.5 ugboro nke ikpeazụ, nke na-egosi na efere agba nke ọkara carbon alloy alloy na-arụ ọrụ nke ọma n'ụzọ zuru oke nke ihe onwunwe ahụ ma nwee nkwụsi ike dị mma n'okpuru ọnọdụ ọgwụgwọ okpomọkụ kwesịrị ekwesị.

N'ihe gbasara ọnụ ahịa ihe onwunwe, nnukwu ígwè manganese nwere ihe ruru 13% Mn, ya mere ọ kwesịrị iri ọtụtụ ihe alloy. E jiri ya tụnyere ígwè manganese dị elu, ọkara carbon alloy steel ZG42Mn2Si1REB nwere naanị 3% ~ 4% alloy element, na enweghị ihe Cr na Mo dị ọnụ ala, yabụ na ọ nwere uru asọmpi dị elu. Ke adianade do, na-atụle okpomọkụ ọgwụgwọ usoro, na-ajụ carbon ala alloy ígwè na-quenched na 900 ℃ na tempered na 230 ℃, mgbe mmiri toughening ọgwụgwọ nke elu manganese ígwè na-emekarị karịa 1000 ℃, otú quenching okpomọkụ nke mbụ bụ ala. oge kpo oku dị mkpụmkpụ, na mmetụta nchekwa ike dị ịrịba ama karị. A na-etinye usoro ọgwụgwọ okpomọkụ ka mma na efere agba nke crusher, nke doro anya na ọ na-eme ka ọnyà ahụ dịkwuo mma, na ngbanwe nke efere agba agbatịpụrụ site na 150d ruo 225d, yana uru akụ na ụba doro anya.

Site na nnyocha na-eyi na-eguzogide nke agba efere nke ọkara carbon ala alloy ígwè nke jaw crusher, na ya pụta na-egosi na mgbe quenched na 900 ℃, na microstructure mgbe quenching bụ martensite, n'oge a, ike siri ike bụ elu, na-eyi arọ. ọnwụ dị ala, na mgbochi iyi ka mma.

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