Ka la 13 Phupu 2023, sehlopha sa Prof. Gang Wang Setsing sa Lipatlisiso sa Lintho tsa Univesithi ea Shanghai se phatlalalitse liphetho tsa bona tsa morao-rao tsa lipatlisiso "Microstructural evolution and mechanical properties of (FeCoNi)85.84Al7.07Ti7.09 high-entropy alloy ka ho khetha laser e qhibilihisang ka phekolo ea botsofali", e sebelisang mokhoa o motle oa ho hlahisa nako e khutšoanyane. ((FeCoNi)85.84Al7.07Ti7.09) motsoako o phahameng oa entropy. FeCoNi)85.84Al7.07Ti7.09 alloy e phahameng ea entropy, e bonts'ang thepa e ntle ea mochini, e nang le matla a ho qetela a 1625 MPa, matla a tlhahiso ea 1214 MPa, le elongation nakong ea khefu ea 11.6%. Moprofesa Jia Yandong le Dr. Mu Yongkun ke bangoli ba bang.
Liphuputso tsa bohlokoa
Mosebetsi ona o ile oa batlisisa phello ea phekolo ea botsofali ho nts'etsopele ea microstructural le thepa ea mechine ea (FeCoNi)85.84Al7.07Ti7.09HEA e hlahisoang keSLM. Ho ile ha etsoa liqeto tse latelang.
(1) Mekhoa e 'meli ea ho matlafatsa, ho matlafatsa le ho matlafatsa pula, e ile ea hlahisoa ho FCNAT HEA ho sebelisoa.SLMmokhoa le phekolo ea nako e khutšoanyane ea botsofali ho 780 ° C. Ka lebaka leo, motsoako oa li-dislocations tse phahameng haholo le mekhahlelo ea pula e ka finyelloang ho FCNAT 780, e leng se hlahisang thepa e nepahetseng ea mochine (matla a lihlahisoa σ0.2, matla a ho qetela a σUTS, le elongation at break εf values of 1214 MPa, 1625 MPa, 6%, 11 ka ho latellana).
(2) Mekhahlelo ea mekhahlelo eaSLMlisampole le lisampole tsa khale li entsoe haholo-holo ka mekhahlelo ea FCC, L12 le L21. Ka mor'a phekolo ea botsofali, mekhahlelo ea L12 le L21 e ile ea fokotseha 'me litaba tsa L12 le L21 li fokotseha butle-butle ka ho eketseha ha mocheso oa phekolo ea botsofali.
Haeba u batla ho tseba lintlha tse ling 'me u hloka ho etsa mohlala oa khatiso oa 3d, ka kopo ikopanyeJSADD Moetsi oa 3Dnako tsohle.
Mongoli: Yolanda/Lili Lu/Seazon
