Based on the present situation of high power density beam powder surfacing with synchro delivery system, the further development was proposed and a new powder surfacing technology was introduced.
综述了国内外同步送粉高能束粉末堆焊技术的研究现状，对其发展趋势进行了预测，并提出了一种新型粉末堆焊技术。
This article indicates in an experimental way that Metglass can be gained with high power density laser beam shining the surface of an alloy.
本文用实验方法表明，用高功率密度激光照射合金表面可获得金属玻璃。
Because temperature rise of the exposed region must meet the requirement of diffusion experiment, high power density of the incident laser beam is necessary.
要使曝光区温度达到扩散实验要求，必须使曝光区功率密度很高。
The absorption characteristics of eight kinds of powder layers coated on common metals have been investigated using CO_2 laser beam with low and high power density.
研究了八种金属材料表面涂布绝缘和非绝缘粉末层在低功率密度和高功率密度的CO_2激光作用下的吸收特性。
In cooling storage ring heavy ion beam is plasma of high density. when a big power laser interacted on it, it will get ultra-high temperature.
重离子冷却存储环中的束流是高密度的等离子体，这样的束流照射物体将得到超高压强。
The use of high-power density laser beam to weld many alloys often leads to appreciable changes in the composition and properties of the weld metal.
高功率激光焊接合金材料时，常常导致焊缝合金元素的损失，从而影响焊缝的组织和性能。
The use of high-power density laser beam to weld many alloys often leads to appreciable changes in the composition and properties of the weld metal.
高功率激光焊接合金材料时，常常导致焊缝合金元素的损失，从而影响焊缝的组织和性能。
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