DirectionaHy Solidified High-strength Superalloy DZ22
1992
Alloy DZ22 possesses rather high intermediateand elevated temperature mechanical propertiescomparable with the advanced commercial DS al-loy PWA1422.The alloy composition is based onPWA1422 alloy,only the content ranges of Hf,Cand Zr are changed for systematic study.The pres-ent melting technology for master alloy ingot andDS process parameters for components are suitablefor this alloy.The alloy revert which has
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