A Yuli 13, 2023, Farfesa Gang Wang ta tawagar a Cibiyar Nazarin Materials Research na Jami'ar Shanghai buga su latest bincike sakamakon "Microstructural juyin halitta da kuma inji Properties na (FeCoNi) 85.84Al7.07Ti7.09 high-entropy gami da zaɓaɓɓen Laser narkewa tare da tsufa magani", wanda utilizes da sosai m masana'antu tsari da kuma m ga gajere tsari. ((FeCoNi) 85.84Al7.07Ti7.09) babban haɗin gwiwa. FeCoNi) 85.84Al7.07Ti7.09 high-entropy gami, wanda ke nuna kyawawan kaddarorin injiniyoyi, tare da ƙarfin ƙarfin 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 injiniya na (FeCoNi) 85.84Al7.07Ti7.09HEA wanda aka samar.SLM. An yanke hukunci mai zuwa.
(1) Hanyoyi masu ƙarfafawa guda biyu, ƙarfafawa 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, za a iya samun haɗuwa da raguwa mai yawa da kuma matakan haɓakawa a cikin FCNAT 780, wanda ya haifar da mafi kyawun kayan aikin injiniya (ƙarfin samar da σ0.2, ƙarfin ƙarfin ƙarfi na ƙarshe σUTS, da elongation a karya εf dabi'u na 1214 MPa, 1625 MPa, 1625 MPa, da kuma 11.6%).
(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 haɓaka yanayin zafin maganin tsufa.
Idan kuna son ƙarin bayani kuma kuna buƙatar yin samfurin bugu na 3d, tuntuɓiJSADD 3D Manufacturerkowace lokaci.
Mawallafi: Yolanda/Lili Lu/Seazon
