| 一种镍基高温合金的激光冲击强化方法 | |
| Alternative Title | Nickel-based high-temperature alloy laser impact strengthening method |
李松夏; 乔红超 ; 赵吉宾; 陆莹; 胡太友
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| Department | 装备制造技术研究室 |
| Rights Holder | 中国科学院沈阳自动化研究所 |
| Patent Agent | 沈阳科苑专利商标代理有限公司 21002 |
| Country | 中国 |
| Subtype | 发明 |
| Status | 有权 |
| Abstract | 本发明公开了一种镍基高温合金的激光冲击强化方法，属于高温合金技术领域。该方法在合金试件表面覆盖吸收层后，再在吸收层上施加约束层约束激光冲击波增加冲击力；然后以脉宽为3‑40ns、波长为532nm或1064nm、激光能量为0.5‑20J、重复频率为0.1‑10Hz、光束直径为0.5‑10mm的激光束进行预冲击处理，接着将高温加热板加热并保持在200℃，以激光束进行冲击处理；本发明方法处理的镍基高温合金试件表面显微硬度可提高20％以上，使用寿命提高30％以上，且工艺简单，延寿效果显著、效率高、成本低、无污染。 |
| Other Abstract | A nickel-based high-temperature alloy laser impact strengthening method comprises covering nickel-based high-temperature alloy test piece with 80-150 mu m absorbing layer comprising black paint, foil or adhesive tape, mounting onto workbench, applying 1-3 mm constraining layer comprising optical transparent glass, laser shock processing with pulse width of 3-40 ns, wavelength of 532 nm or 1064nm, laser energy of 0.5-10 J, repetition frequency of 0.1-10 Hz and beam diameter of 0.5-10 mm, pre-impact processing at overlapping rate of 0-50% for 1-2 times, heating at 200 degrees C, laser shock processing at pulse width of 3-40 ns, wavelength of 532 nm or 1064 nm, laser energy of 1-20 J, repetition frequency of 0.1-10 Hz and beam diameter of 0.5-10 mm, and impact processing at overlapping rate of 0-50% for 2-6 times. |
| PCT Attributes | 否 |
| Application Date | 2017-03-31 |
| 2018-10-16 | |
| Date Available | 2019-10-25 |
| Application Number | CN201710204760.8 |
| Open (Notice) Number | CN108660400A |
| Language | 中文 |
| Contribution Rank | 1 |
| Document Type | 专利 |
| Identifier | http://ir.sia.cn/handle/173321/23500 |
| Collection | 智能产线与系统研究室 |
| Affiliation | 中国科学院沈阳自动化研究所 |
| Recommended Citation GB/T 7714 | 李松夏,乔红超,赵吉宾,等. 一种镍基高温合金的激光冲击强化方法[P]. 2018-10-16. |
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