同时，本文还对PBGA钎料球激光重熔进行了试验研究。
At the same time, experiments on PBGA solder ball laser reflow were carried out.
能量密度较小的激光重熔试样具有高于等离子喷涂试样的热震寿命。
It was indicated that the higher laser energy input is harmful for thermal shock lifetime of LR TBCs.
试验证明采用激光重熔对镀层再处理，可以改善其原有的各项性能。
The test results show that original properties of the coatings can be improved by the laser modification processes.
对三维准稳态激光重熔问题进行数值模拟，模型考虑了熔池内金属液体的流动和换热。
With the non staggered grids, a three dimensional quasi state laser remelting problem, considering heat transfer and fluid flow, is numerically simulated.
对重熔区显微组织进行了研究，研究表明：激光重熔区分为熔凝区、过渡区及热影响区；
The result of microstructures analysis show: there are melted zone , transient zone and heat affected zone in the laser melted layer.
结果表明：涂层经激光重熔处理后，WC颗粒部分分解形成W2C，同时形成新的硬质相和共晶组织。
The results show that after laser remelting, part of WC particles are decomposed into W2C, at the same time the reaction forms some new compounds.
介绍了激光重熔在面阵列封装钎料凸点成形中的研究进展，并且对PBGA共晶钎料球激光重熔进行了工艺研究。
Research status of laser reflow on solder bump forming of area array packages are introduced, and experimental analysis on laser reflow of PBGA solder ball is performed.
为了获得足够的服务期限，意味着凸轮轴的表面要有高的耐磨性能，可以通过表面硬化来实现，比如激光重熔工艺。
In order to attain adequate service lives, that means high capacity of resistance to wear, camshaft running faces are hardened, for example in the laser beam remelting process.
激光表面重熔对LY 12 CZ性能的影响。
利用共聚焦激光扫描高温显微镜对几种高氮钢的高温相变以及重熔时氮的释放进行了在线观察。
This paper reports the in-situ observation of the high-temperature phase transformation and nitrogen release of several types of HNS by a confocal laser scanning high-temperature microscope.
综述了激光表面改性(激光表面重熔、激光表面合金化、激光表面熔敷、激光多层熔敷)的研究与应用。
Recent developments and applications of laser surface modification, i. e. laser surface melting, laser surface alloying, laser cladding and laser multi-layer cladding were reviewed in detail.
利用激光熔覆成形技术制备出平整无变形的镍基合金样品，对显微组织中的层生长模式、晶粒生长模式，重熔情况以及一些缺陷等凝固组织的特征进行了详细分析。
Laser cladding forming(CLF) has been used to build up solid samples from the Ni-based powders. The appearances of these samples are smooth and no apparent shape distortion.
利用激光熔覆成形技术制备出平整无变形的镍基合金样品，对显微组织中的层生长模式、晶粒生长模式，重熔情况以及一些缺陷等凝固组织的特征进行了详细分析。
Laser cladding forming(CLF) has been used to build up solid samples from the Ni-based powders. The appearances of these samples are smooth and no apparent shape distortion.
应用推荐