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哈氏C-276合金纤维毡烧结工艺研究
引用本文:许佩敏,杨延安,张小庆,郭亮,侯利强.哈氏C-276合金纤维毡烧结工艺研究[J].粉末冶金工业,2016(1):36-38.
作者姓名:许佩敏  杨延安  张小庆  郭亮  侯利强
作者单位:西安菲尔特金属过滤材料有限公司,陕西 西安,710201
摘    要:以集束拉拔法生产的C-276合金纤维为原料,经过纤维剪切、湿法成网、叠配毡等工序制备出纤维毡坯料,按照正交法设计出的实验方案,采用真空加压烧结法制备出C-276合金纤维毡样品,研究了烧结温度、保温时间及加压压力对纤维毡泡点压力损失率的影响.结果表明:烧结温度是影响泡点压力损失率的最显著因素;哈氏C-276合金纤维毡的最佳烧结工艺是烧结温度1 150℃,保温4.5 h,加压0.8 kPa.

关 键 词:正交法  哈氏C-276合金  真空加压烧结  金属纤维毡

Study on sintering process of hastelloy C-276 fiber felt
Abstract:Hastelloy C-276 fiber made by bundle-drawing was employed as raw material,and then the fiber felt blank was prepared through shearing fiber,preparing mesh by wet method and superposing mesh. According to or-thogonal experiments,the hastelloy C-276 fiber felt samples were prepared by vacuum pressure sintering. The ef-fect of sintering temperature,holding time and pressure on the loss rate of bubble point pressure was studied. The results show that sintering temperature is the most significant factor influencing the loss rate of bubble point pres-sure. The optimum sintering process for hastelloy C-276 fiber felt is sintering temperature of 1 150 ℃,holding time of 4.5 hours and pressure of 0.8 kPa.
Keywords:orthogonal method  hastelloy C-276 alloy  vacuum pressure sintering  metal fiber felt
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