The ingot annealing technology in some alloying steel plant have been investigated.
调查分析了一些特殊钢厂的钢锭退火工艺规范。
As-cast microstructure of Mg alloy AZ31 ingot and its annealing technology have been researched hence certain reference for direct plastic deformation from as-cast microstructure of Mg alloy AZ31.
研究了AZ31合金的铸锭组织及其退火工艺，为AZ31镁合金由铸态组织直接塑性变形提供了一定的参考依据。
The ingot repairing welding technology being one of important measures improving ingot mould service life is put forward.
指出钢锭馍焊补技术是提高钢锭模使用寿命的重要措施之一。
The more is cast ingot size, the more bulky is the structure, so powder metallurgy become the main research technology.
因此，粉末冶金技术就成为研究铍材料的主要工艺。
Melting technology status, capacity and output of titanium and titanium alloy ingot are analyzed.
分析了钛及钛合金铸锭熔炼技术现状及铸锭的产能、产量情况。
The invention discloses a technology for the directional solidification growth of polycrystalline silicon ingot, belonging to the preparation of semiconductor material silicon crystal.
一种定向凝固生长多晶硅锭工艺，本发明属于半导体材料硅晶体的制备。
The invention discloses a technology for the directional solidification growth of polycrystalline silicon ingot, belonging to the preparation of semiconductor material silicon crystal.
一种定向凝固生长多晶硅锭工艺，本发明属于半导体材料硅晶体的制备。
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