STUDY ON THE MAGNETISM AND PHASE TRANSFORMATION IN Fe-Mn-Si-C SHAPE MEMORY ALLOYS
STUDY ON THE MAGNETISM AND PHASE TRANSFORMATIONIN Fe-Mn-Si-C SHAPE MEMORY ALLOYS

1.IntroductionTherehavebeenextensivestudies0ntheN6eltransiti0n,ry-Etransf0rmati0nandshapemem0ryeffect(SME)ofry-Fe-MnorFe-Mn-Siall0ys1-1o].WithincreasingMncontent,N6eltemperaturerisesandtheausteniteisstabilizedagainstry-emartensitictransformati0nduringcoolingl1,2].SiliconreducestheN6eltemperatureandstackingfaultenergy(SFE),whichmakethery-etransf0rmationeasierl4'5].The7-Fe-3OMn-Calloysareanitineralltcharacteristicantiferr0magneticalloy,andtheadditi0nofs0mesiliconinto7-Fe-30MnaJl0ywoul…