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Effect of ball sizes on synthesis of OsB2 powders by mechanical alloying
2018年04月16日 浏览量：24693次 来源：
react-text: 116 0.5 mm thick Silicon nitride (Si3N4) substrates with MgO-Y2O3 additives were employed for hole machining study with a Nd:YAG two-dimensional laser machining (cutting) system. The effects of laser scanning speed on features of the machined holes such as hole diameter, hole circularity, taper angle, heat affected zone (HAZ), recast layer, and micro-cracks were studied. The results show that the... /react-text react-text: 117 /react-text [Show full abstract]
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