用二氧化碳激光快速凝固技术合成了负热膨胀材料钨酸钇。
A negative thermal expansion material of yttrium tungstate was synthesized by rapid solidification with a CO2 laser.
激光快速成形作为一种材料凝固成形新技术，诸多优点使其成为一种具有竞争力的TC 21钛合金成形方法。
Laser rapid forming (LRF), a new solidification processing technology, has many advantages which would make it competitive for the processing of TC21 alloy.
采用激光快速熔凝和深腐蚀技术，对快速凝固过程中铸铁的共晶生长进行了研究。
The eutectic growth of cast iron during rapid solidification has been studied with laser remelting and deep etching.
在激光表面改性层中成功地制得了以高硬度氮化钛为增强相的新型快速凝固“原位”耐磨复合材料。
The rapidly solidified in-situ wear resistant composite materials reinforced by hard titanium nitride were successfully fabricated in the laser modified surface layer.
分析和实验得出，通过控制入射激光功率密度和作用时间可以实现相变硬化及快速熔化——凝固处理。
The phase transformation hardening and fast melting-solidification by controlling power intensity and shocking-time of laser pulse have been analysed.
利用激光快速熔凝技术对DD 2单晶合金在超高温度梯度和快速凝固条件下的组织形态和元素的微观偏析行为进行了研究。
The microstructure characteristics and microsegregation of DD2 single crystal have been studied under ultra-high temperature gradient and rapid solidification conditions by laser rapid remelting.
激光熔覆是利用激光辐射使熔覆材料和基体表面同时熔化并快速凝固、从而显著改善基体材料物理性能的一种新的工艺方法。
Laser cladding is a new surface strengthening technology which USES laser radiation to let coating materials and the surface of substrate melt simultaneous.
激光熔覆是利用激光辐射使熔覆材料和基体表面同时熔化并快速凝固、从而显著改善基体材料物理性能的一种新的工艺方法。
Laser cladding is a new surface strengthening technology which USES laser radiation to let coating materials and the surface of substrate melt simultaneous.
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