EFFECT OF Cr ADDITION ON MICROSTRVCTURES AND MECHANICAL PROPERLIES OF β-NiAl ALLOYS

1.IntroductionTheBZ-orderedNiAIhasbeenattractedmuchattentionasoneofthecandidatesasanextgenerationhightemperaturematerials,becauseithasahighmeltingtemperature,alowspecificgravityandanexcellenthightemperatureoxidationresista.cell--3J.However,itstillsuf...