化学镀Ni-P镀层晶化过程研究

材料科学与工艺, 2007, 15(4): 589-592. doi: 10.3969/j.issn.1005-0299.2007.04.039

化学镀Ni-P镀层晶化过程研究

毕虎才 ^1, , 卫英慧 ^2, , 杨海燕 ^3, , 侯利锋 ^4, , 余春燕 ^5, , 郭耀文 ^6, , 胡兰青 ^7, , 许并社 ^8,

1.太原理工大学,材料科学系,山西,太原,030024

2.太原理工大学,材料科学系,山西,太原,030024

3.太原理工大学,材料科学系,山西,太原,030024

4.太原理工大学,材料科学系,山西,太原,030024

5.太原理工大学,材料科学系,山西,太原,030024

6.太原理工大学,材料科学系,山西,太原,030024

7.太原理工大学,材料科学系,山西,太原,030024

8.太原理工大学,材料科学系,山西,太原,030024

基金项目: 山西省自然科学基金(20051050) 国家自然科学基金(50471070)

关键词：镁合金 , 化学镀 , 镀层 , 晶化

Studies on crystallization process of electroless Ni-P deposits

化学镀Ni-P镀层的显微组织对其服役性能有重要影响.通过SEM、TEM、XRD和DTA等分析手段,研究了压铸镁合金表面Ni-P镀层的晶化过程.结果表明,初始化学镀层不仅有非晶,还有亚稳态纳米晶;镀层的初始晶化温度大约为300 ℃,450 ℃晶化过程完成;升温过程中的原子扩散和纳米晶的长大导致有新的亚稳态相析出和转变;有序畴和析出物一起长大最终产生晶界.

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化学镀Ni-P镀层晶化过程研究

Studies on crystallization process of electroless Ni-P deposits

参考文献