In chemical tempering, sodium ions in the surface are replaced with potassium ions, which are about 30 percent larger.
还有化学退火的方法，即用尺寸大30%的钾离子取代表面的钠离子。
Combining the tempering behavior with the grinding thermal model, the change in surface hardness due to grinding heat could be predicted.
通过合并磨削热模型和回火效应可以预测工件磨削后的表面硬度变化。
Combining the tempering behaviour with the thermal model of grinding, the change in surface hardness due to grinding heat can be predicted.
通过合并磨削热模型和回火效应，可以预测工件磨削后的表面硬度变化。
Tempering resulting from grinding heat caused surface hardness changes of hardened steels after grinding.
磨削热导致回火引起淬硬钢磨削后表面硬度变化。
The cause of fracture is related with tempering temperature, machining defects on the surface and chemical composition of the fracture bolt.
主要原因与热处理回火温度、表面加工缺陷以及材料化学成分有关。
The test results show that the surface of H13 steel can obtain the optimum performance at temperature of complete annealing, quenching and tempering.
试验结果表明H13钢在最佳完全退火温度、淬火温度、回火温度下可得到最优综合性能。
Effects of different tempering processes on surface microstructure of indefinite chill cast-iron roller were studied.
研究了回火工艺对无限冷硬轧辊表层基体组织的影响。
After quenching and tempering, material H13 steel core bar was broken during alignment There are naphthalene fractures on macroscopical fractures surface.
H 13钢芯棒毛坯在调质热处理后的校正工序中发生断裂，宏观断裂面出现萘状断口。
This paper reviews the steel grades for the quenching - tempering and surface - hardening gears.
介绍了国内外调质表面淬火齿轮用钢的情况。
The effects on the properties and die lifespan of forging, conditioning heat treatment, quenching ami tempering, surface heat treatment are researched.
研究了H13钢的锻造、预备热处理、淬火回火、表面热处理对其性能和模具寿命的影响。
That sense of respect is also key to establishing the early stages of trust, or at least tempering any distrust which may be present beneath the surface.
尊重也关乎初步信任的建立，或者至少可以缓解掩盖在表面下的不信任。
Die head material and processing:Use high-quality steel, after quenching and tempering, grinding the inside surface of the polished mirror surface plating treatment;
模头材质及加工：选用优质钢材，经调质处理，研磨内侧表面，抛光镜面电镀处理；电镀。
The result shows that the surface contact fatigue strength of the gears is considerably greater than those from quenching-tempering carbon steel and greater than...
试验研究证明，这种材料齿轮的齿面接触疲劳强度远高于碳钢调质齿轮，并优于合金钢调质齿轮。
The result shows that the surface contact fatigue strength of the gears is considerably greater than those from quenching-tempering carbon steel and greater than those from quenchi…
试验研究证明，这种材料齿轮的齿面接触疲劳强度远高于碳钢调质齿轮，并优于合金钢调质齿轮。
The result shows that the surface contact fatigue strength of the gears is considerably greater than those from quenching-tempering carbon steel and greater than those from quenchi…
试验研究证明，这种材料齿轮的齿面接触疲劳强度远高于碳钢调质齿轮，并优于合金钢调质齿轮。
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