Rapidly Solidified Powder Metallurgy Mg97Zn1Y2Alloys with Excellent Tensile Yield Strength above 600 MPa
作者： Yoshihito Kawamura , Kentaro Hayashi , Akihisa Inoue , Tsuyoshi Masumoto
DOI: 10.2320/MATERTRANS.42.1172
关键词:
摘要: Nanocrystalline magnesium alloys having high tensile strength, elevated-temperature high-strain-rate superplasticity and thermal stability have been developed in Mg 97 Zn 1 Y 2 (at% I alloy by rapidly solidified powder metallurgy (RS P/M) processing. The yield strength elongation that were dependent on the consolidation temperature ranges of 480 to 610MPa 5 16%, respectively. Young's modulus RS P/M was 45 GPa. specific four times as a commercial AZ91-T6 alloy, higher than those conventional titanium (Ti-6Al-4V) aluminum (7075-T6) alloys. exhibited excellent 510 MPa at 423 K. also wide strain-rate range from × 10 - 0 s -1 low 623 It is expected can he applied some fields requires simultaneously ambient elevated temperatures workability.
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