一种消减涡轮增压器涡轮氢脆的方法
By employing methods such as preheating before welding, welding, slow cooling after welding, and liquid nitrogen cooling, the problem of hydrogen embrittlement in turbochargers was solved, the wear resistance and stability of the material were improved, and the hardness of the welded area was reduced.
CN116426739BActive Publication Date: 2026-07-17JIANGSU EASYLAND AUTOMOTIVE CORP
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- JIANGSU EASYLAND AUTOMOTIVE CORP
- Filing Date
- 2023-04-11
- Publication Date
- 2026-07-17
Abstract
本发明提供了一种消减涡轮增压器涡轮氢脆的方法，所述方法包括：对涡轮头和涡轮轴进行焊前预处理以及焊接处理，而后依次进行缓冷处理、焊后预处理以及冷却处理。本发明提供的消减涡轮增压器涡轮氢脆的方法对涡轮头和涡轮轴进行焊接处理后可以及时做好去氢热处理，进而能降低焊接区的硬度，或者排除焊接区域内氢等有害物质；另外，冷却处理能够提高表面耐磨性。
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