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本文在详细分析现行工艺的金属流动和应力应变分布的基础上,找出钨丝坯条产生缺陷的原因。然后提出一种比较完善的制取钨丝坯条的新工艺,并对这种工艺过程进行数值模拟和试验研究。
Based on the detailed analysis of metal flow and stress-strain distribution in the current process, this paper finds out the causes of defects in tungsten bar. Then a new process of preparing tungsten filament billet was put forward, and the numerical simulation and experimental research on this process were carried out.