复合涂层的磨损机制主要为硬质颗粒的脆性脱落，同时伴随着轻微的显微切削。
The wear mechanism of the coating attributes to the brittleness shedding of the hard phase particles going with a slight micro-cutting.
由此，本发明所使用的模具不会与 硬质颗粒相接触，用以避免模具造成损坏。
In this way, the molds will not contact with the hard grains to avoid damage.
同时研究发现了钢丝在拉拔方向上形成的以第二相硬质颗粒为核心的梭形微孔洞。
The results also presented that there were so many shuttle-shaped micro holes in this steel wires, lugging along drawing axis and cored by the hard particles.
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