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中文摘要：
金属性的部件的激光直接免职(LDD ) 是联合 CAD/ 凸轮(帮助设计 / 计算机帮助了生产的计算机) 的一种先进技术，高电源激光，和快速的原型。这种技术使用激光横梁融化激光横梁同轴地喂进熔融的水池制作充分稠密的金属性的部件的粉末。现在的文章主要学习 Ti-6Al-4V 合金的 LDD，它能被用来制作飞机部件。Ti-6Al-4V 合金的机械性质，由 LDD 制作了，用紧张测试，和氧内容被获得使用粉末和扔的标本被测量。在现在的文章，比扔获得的，和到那些的平等者过得去，用这个方法获得的机械性质才高做 anneal。一飞机部分用 LDD 过程被做了。因为这飞机部分，与复杂形状，在扔的部分的内部稳固上扫描轨道的激光的效果被讨论。
英文摘要：
Laser direct deposition （LDD） of metallic components is an advanced technology of combining CAD/CAM （computer aided design/computer aided manufacturing）, high power laser, and rapid prototyping. This technology uses laser beam to melt the powders fed coaxiaUy into the molten pool by the laser beam to fabricate fuUy dense metallic components. The present article mainly studies the LDD of Ti-6Al-4V alloy, which can be used to fabricate aircraft components. The mechanical properties of the Ti-6Al-4V alloy, fabricated by LDD, are obtained using the tension test, and the oxygen content of used powders and deposited specimens are measured. In the present article, it can be seen that the mechanical properties obtained using this method are higher than the ones obtained by casting, and equal to those got by wrought anneal. One aircraft part has been made using the LDD process. Because of this aircraft part, with sophisticated shape, the effect of the laser scanning track on the internal soundness of the deposited part was discussed.
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