Table 1.

Tensile–compression yield asymmetry values in MPa for different states of the ZX10 extrusions. The yield asymmetry was calculated as the difference between the tensile and compressive yield strength value (standard deviations of stresses is 2 MPa), i.e., negative values represent the reversed tensile–compression yield asymmetry.

Designation	As-Extruded	Heat-Treated	Precompressed	Precompressed and Heat-Treated
ZX10-04	29	27	−83	−46
ZX10-11	34	31	−60	−55
ZX10–23	48	46	−62	−48
ZX10–53	39	36	−62	−43