1) strengthened layer
强化层
1.
The principle of the electric spark strengthening technique was utilizing impulse discharge to come into being high temperature,to melt cemented carbide stuff and to seep on the working faces of the tool and moulding cutter and easy wear workpiece,thus to take shape one tier high hardness,high strength,wear-resistant and temperature-resistant cemented carbide strengthened layer that not come off.
电火花强化技术是利用脉冲放电产生高温原理,将硬质合金材料熔渗到工模具及易损件的工作面上,形成一层高硬度、高强度、耐磨和耐温,又不剥离的硬质合金强化层。
2.
The effects of residual stress and microhardness on wear resistance of 40Cr steel strengthened layer by electrical discharge were studied under a large contacting stress,and the wear mechanism of strengthened layer was studied.
分析了在大接触应力的磨损条件下,表面残余应力和硬度对40Cr电火花强化层耐磨性的影响,探讨了其磨损机理。
2) strengthened coating
强化层
1.
Numerical simulation of temperature field for electrical discharge strengthened coating;
电火花表面强化层温度场的数值模拟
2.
The distribution of stress abruptly changes at heat-affected area,and for strengthened coating,because there exists difference in c and κ in strengthened coating and the matrix material,the varying of the stress is aggravated.
分析电火花表面强化层的应力场特点,建立三维应力场模型,并利用APDL编程实现对应力场的有限元数值模拟,给出强化层和基体在不同位置、不同方向的应力分布和变化规律。
3) hardening layer
强化层
1.
The results show that the microstucture of hardening layer lousiest of acicular marten site,retained austenite,graphite in fake and boride.
采用等离子束对硼铸铁进行了表面强化,对等离子强化层的显微组织、显微硬度和耐磨性进行了研究。
2.
The relationship of the hardening layer depth and the processing parameters is investigated.
01振动式电火花表面强化机在CrN i3MoVA钢表面电火花沉积Cr,研究了强化层厚度和工艺参数的关系,结果表明,合理的选择电火花脉冲能量、氩气保护分压、强化时间,能够控制强化层厚度,提高强化层质量。
5) interlaminar strengthing
层间强化
6) Depth of hardening layer
强化层深度
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