The Ni P/M steel are mixtures of soft phase and hard phase, hence improving the mechanical properties by reducing the susceptibility of breach.
含镍粉末钢是硬质相与软质相的非均质混合物，可减低粉末钢对缺口的敏感性，改善力学性能。
2
The different asphalt content mixtures are shaped at different compaction temperature, the relationship of compaction temperature to physical-mechanical parameters is researched in the paper.