例文
- It is found that , the sintering process of w - ni - fe - cu alloy was a typical liquid - phase process , which including particle rearrangement stage , dissolving - precipitation stage and solid - phase sintering stage . cu plays an important role in the particle rearrangement stage , while fe can promote the densification by forming ni - fe - w bonding - phase . ni can not only form the bonding - phase , but also enhance the diffusion between the w grains