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Abstract:
一种用于压铸模具焊接和修复的堆焊药芯焊丝,属于材料加工焊接领域。采用低碳钢带包裹药芯粉末,药芯焊丝的填充率为22%~30%,所述的药芯粉末包括以下质量百分含量的物质:氟化钠:1.5~5%,氟化钙:1.5~6%,金红石:1~4%,石英:0.5~3%,高碳铬铁9~16%,铬粉:31~51%,镍粉:0.4~4.5%,电解锰粉:3~8%,钼铁粉:3~10%,硅铁粉:3~8%,钒铁粉:1.5~7%,钨铁粉:6.1~12,余量为还原铁粉。本发明堆焊金属具有较高的韧性、塑性和抗裂性;具有较高的焊态硬度,且550℃回火后硬度仍可在49HRC以上,热处理后热稳定性较好;具有较好的抗氧化性能和抗冷热疲劳性能。
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Patent Info :
Type: 发明申请
Patent No.: CN201610195721.1
Filing Date: 2016-03-30
Publication Date: 2016-06-15
Pub. No.: CN105665959A
Applicants: 北京工业大学
Legal Status: 撤回
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