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首页> 外文期刊>Surface and Interface Analysis: SIA: An International Journal Devoted to the Development and Application of Techniques for the Analysis of Surfaces, Interfaces and Thin Films >Effects of Co content and heat treatment on mechanical properties of electrolessly deposited Ni-Co-P alloys
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Effects of Co content and heat treatment on mechanical properties of electrolessly deposited Ni-Co-P alloys

机译：Co含量和热处理对化学沉积Ni-Co-P合金力学性能的影响

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摘要

The effects of cobalt content and heat treatment temperature on hardness and wear resistance of nickel-cobalt-phosphorus (Ni-Co-P) are systematically investigated on the electroless alloy deposits composing of cobalt with contents up to 45%. The increase of the cobalt content leads to improved stabilization of grain size and crystallographic structure upon thermal annealing. A moderate annealing temperature of 300 °C applied on Ni-45Co-2.6P deposits grants optimum hardness of 959 Hv and relatively low wear loss of 8.85 mg/1000 cycles in abrasive mode, as assessed by Taber abraser wear test. An exclusion of cobalt, however, shows benefit in wear resistance enhancement under the ball-on-disc wear test, where a combined abrasive and adhesive wear is induced in this class of nickel-based alloys.
机译：系统研究了钴含量高达45％的化学镀层，研究了钴含量和热处理温度对镍钴磷（Ni-Co-P）硬度和耐磨性的影响。钴含量的增加导致热退火时晶粒尺寸和晶体结构的稳定性得到改善。通过泰伯磨机磨损测试评估，在Ni-45Co-2.6P镀层上施加300°C的适度退火温度可提供959 Hv的最佳硬度，并在磨料模式下具有相对较低的磨损损耗（8.85 mg / 1000个循环）。但是，排除钴显示出在圆盘磨耗试验中增强耐磨性的好处，在该类镍基合金中会引起磨料和粘合剂的组合磨损。

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