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Author:

李红 (李红.) | 陈卓 (陈卓.) | 张续 (张续.) | 黄海新 (黄海新.)

Indexed by:

incoPat zhihuiya

Abstract:

本发明是一种用于不锈钢钎焊的铁基钎料。鉴于传统镍基钎料生产成本比较高,纯铜钎料中的铜容易与高温齿轮油中的酸性物质及活性硫化物接触,发生腐蚀反应造成油冷器腐蚀失效的问题。本发明是解决现有的用于钎焊不锈钢EGR油冷器的铁基钎料熔融温度高、耐腐蚀性能不强的问题。该钎料按质量百分比为:Ni粉15.0~25.0,Cr粉6.0~17.0,Si粉2.0~6.0,Cu粉1.5~5.0,P粉5.0~10.0,B粉0~1.5,Mo粉1.0~4.5,石墨粉0~1.0,B和石墨粉的总质量分数不小于0.25,余量为铁粉。本发明钎料在1050℃的钎焊温度下获得了耐腐蚀性能强的钎焊接头,钎焊接头剪切强度达到了71.2MPa。

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Patent Info :

Type: 发明申请

Patent No.: CN201510698656.X

Filing Date: 2015-10-25

Publication Date: 2016-01-06

Pub. No.: CN105215574A

Applicants: 北京工业大学

Legal Status: 驳回

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: 1

Affiliated Colleges:

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