The tensile strength of 213 MPa before ECAP increase to 366 MPa after 1 time of ECAP, and the high tensile strength is 443 MPa after 3 times of ECAP, increasing by 230 MPa.

• 挤压前材料的抗拉强度为213MPa,一次挤压后变为366 MPa，三次挤压后强度最高为443MPa，提高100%25还多。