The highest actual deformation of TiAl alloy was 50% with nominal deformation of 30% with 45# steel as wrap,and the grains were elongated and flattened.

• 当包套TiAl合金的名义相对压缩量为30%25时,TiAl合金块的实际最大相对压缩量为50%25,TiAl合金和微观组织被拉长、压扁。