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Author:

王恒 (王恒.) | 栗卓新 (栗卓新.) | Wolfgang Tillmann (Wolfgang Tillmann.) | Kim Hee Jin (Kim Hee Jin.)

Indexed by:

CQVIP PKU CSCD

Abstract:

采用体式显微镜、优化设计软件研究了ENiCrMo3T0-4药芯焊丝中药芯组成及工艺参数对气孔敏感性的影响。结果表明:随着焊丝药芯组成中SiO_2/ZrO_2、TiO_2/ZrO_2、(TiO_2+ZrO_2+SiO_2)/MnO的减小,气孔敏感性降低;气体流量的改变对焊缝表面针眼气孔数的影响不大,但气体流量过小会产生条虫状气孔;当焊接电压25 V、焊接电流160 A、干伸长量20 mm时,焊缝金属针眼气孔数最少,焊丝气孔敏感性最低;增大固液相温度区间及氢在高温熔渣中的溶解度,可以降低焊缝金属气孔敏感性。

Keyword:

镍基药芯焊丝 药芯组成 工艺参数 气孔敏感性

Author Community:

  • [ 1 ] 北京工业大学
  • [ 2 ] 多特蒙德工业大学
  • [ 3 ] 韩国工业技术研究院

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Source :

稀有金属材料与工程

Year: 2018

Issue: 04

Volume: 47

Page: 1205-1209

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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