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Aluminium alloy quenchs medium asks commonly
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Hemp quenchs processing
Hemp quenchs the main purpose of processing, reducing the vast difference of temperature of inside and outside of the workpiece when quenching, make at inside and outside of the workpiece when inferior temperature a 產 gives birth to...
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Commonly used quench medium is analysed
1. WaterWater is application the the earliest, most extensive, most of economy quench medium, its price cheap is easy, avirulent, not stability of combustion, physico-chemical function, cooling power is strong. The temperature through...
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Two kinds of quenching oil study to what quality of board reed heat treatment af
Through be opposite the contrast of the cooling character of fast and shining quenching oil studies Y15-II of He Jinyu of N32 engine oil, and the 60Si2Mn that undertakes to using two kinds of oil and 50CrVA steel sample quench the con...
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Vacuum maximum pressure enrages Leng Cuihuo technology
Development of technology of Leng Cuihuo of gas of current vacuum maximum pressure is rapidder, appeared in succession negative pressure (1 × of < 105Pa) shed rate air cooling, pressurization high (105 ~ of 1 × 4 × 105Pa) air coo...
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Liquid state quenchs defect of medium general character
In research tap water serves as quench in the article of the two big drawback of medium, accessary the drawback that posed liquid state to quench medium has two general character. One of defect are: A kind of any certain liquid state...
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Converter flue gas does a law to remove dust partly craft
Converter flue gas does a law to remove dust partly craftOur country has many 550 converter at present, among them many 10 converter uses dry method to remove dust, the others all is used wet. No matter wet, dry method all differs deg...
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Isotherm of air cooling of vacuum maximum pressure quenchs
The greater work with complex form undertakes from high temperature easy generation is out of shape when fast refrigeration continuously even crackle. Can quench with saline bath isotherm before solve. In burner of temper by dipping i...
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