A ranar 13 ga Yuli, 2023, ƙungiyar Farfesa Gang Wang a Cibiyar Nazarin Kayan Aiki ta Jami'ar Shanghai ta buga sabon sakamakon binciken su "Microstructural evolution and mechanical Properties of (FeCoNi) 85.84Al7.07Ti7.09 high-entropy alloy by selective Laser melting with". Jiyya na tsufa", wanda ke amfani da ingantaccen tsarin masana'anta da ingantaccen tsarin tsufa na ɗan gajeren lokaci don samar da ((FeCoNi) 85.84Al7.07Ti7.09) gami da babban entropy.FeCoNi) 85.84Al7.07Ti7.09 high-entropy gami, wanda ke nuna kyawawan kaddarorin injiniyoyi, tare da ƙarancin ƙarfi na 1625 MPa, ƙarfin amfanin ƙasa na 1214 MPa, da haɓakawa a karya na 11.6%.Farfesa Jia Yandong da Dr. Mu Yongkun su ne mawallafa masu haɗin gwiwa.
Mahimmin binciken
Wannan aikin ya bincika tasirin maganin tsufa akan juyin halitta microstructural da kaddarorin injin (FeCoNi) 85.84Al7.07Ti7.09HEA wanda aka samar.SLM.An yanke hukunci mai zuwa.
(1) Hanyoyi masu ƙarfafawa guda biyu, ƙarfafa rarrabuwa da ƙarfafa hazo, an gabatar da su a cikin FCNAT HEA ta amfani daSLMdabara da maganin tsufa na ɗan gajeren lokaci a 780 ° C.A sakamakon haka, ana iya samun haɗuwa da raguwa mai yawa da matakan haɓakawa a cikin FCNAT 780, wanda ya haifar da ingantattun kayan aikin injiniya (ƙarfin samar da σ0.2, ƙarfin ƙarfi na ƙarshe σUTS, da elongation a karya εf dabi'u na 1214 MPa, 1625 MPa). da kuma 11.6%, bi da bi).
(2) The lokaci qagaggun naSLMsamfurori da samfuran tsofaffi sun ƙunshi mafi yawan lokaci na FCC, L12 da L21.Bayan jiyya na tsufa, matakan L12 da L21 sun haɓaka kuma abubuwan da ke cikin sassan L12 da L21 sun ragu sannu a hankali tare da karuwar zafin jiyya na tsufa.
Idan kuna son ƙarin bayani kuma kuna buƙatar yin samfurin bugu na 3d, tuntuɓiJSADD 3D Manufacturerkowace lokaci.
Mawallafi: Yolanda/Lili Lu/Seazon