| 1. | Phase structure characteristic of fe - cr - based cladding layer prepared by plasma beam
基等离子熔覆层的相结构特征 |
| 2. | Effect of matrix materials on microstructure and microhardness of nigrbsi cladding layers by laser
激光熔覆层组织及硬度的影响 |
| 3. | Study on solidification feature and the solidification microstructure control of laser cladding layer
激光熔覆层凝固特征与凝固组织控制研究 |
| 4. | We have grown ingaas / algaas strained quantum well laser by mbe . we studied the doped density in the cladding layer
采用分子束外延设备mbe ( molecularbeamepitaxy )对所设计的应变量子阱结构激光器进行晶体生长。 |
| 5. | The results show that the dendrite , micropore and tensile stress in cladding layer ac the main factors reducing the fatigue properties
结果表明，表面激光熔覆会显著降低材料的疲劳性能，在99 %可靠度的前提下，熔覆试样的安全寿命约为基材试样的27 % 。 |
| 6. | The results show that with the increase of the powder feeding rate , the cladding layer gets thicker , its structure finer and its hardness changes slightly only
实验结果表明，随粉末送给率的增加，熔覆层厚度增加，熔覆层组织细化，熔覆层的硬度变化不大。 |
| 7. | The structure of the strained quantum well laser has been optimized , not only the well layer , the barrier layer , the waveguide layer and the cladding layer but also the content of al , in have been studied and designed
对应变量子阱激光器的结构进行了优化设计，对半导体激光器的阱层、垒层、波导层和限制层的厚度及in 、 al元素的含量进行了研究和设计。 |
| 8. | The experiments on substrate material and laser cladding specimens fur comparing the fatigue life were carried out , and the factors affecting fatigue properties of the laser cladding layer on the surface of aluminum alloy were investigated
摘要对铝合金试样表面进行激射光熔覆处理，分析激光熔覆层的显微组织，并对熔覆试样和基材试样进行疲劳寿命对比实验。 |
| 9. | Regard the ni - based high - temperature alloy as substrate and the mixed powder by oneself as layer cladding , the microstructure of laser cladding layers under different craft parameters was studied by cw co2 laser
摘要为了研究工艺参数时激光熔覆层微观形貌的影响，以co2连续激光器为热源，在镍基高温合金基体表面熔覆自配粉末，对不同工艺参数下熔覆层的微观形貌进行了分析。 |
| 10. | Based on pressing practical experience of eha4120 double - faced clad plate elliptical head , the type head external surface clad layer crack reason during pressing process were analyzed and discussed , and the head pressing task was fulfilled successfully through improving the pressing procedure
摘要根据eha4120双面复合板椭圆封头的冲压实际经验，分析探讨了此种封头在压制过程中外表面复合层产生裂纹的原因，通过改进压制工艺，成功地完成了封头的压制任务。 |
