The case - hardening or carburizing process is in wide use.

表面淬火 或渗碳法应用十分广泛.

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The mechanism of enhancing effect of RE on carburizing process was discussed.

稀土含量再增加催渗效果不再增加.

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The carburizing process of steel 20 with and without RE addition was investigated.

研究了不含稀土与含不同量稀土的20钢经过气体渗碳后的渗层厚度及试件从表层向内部的硬度变化.

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A new research & development of continuous gas carburizing furnace is described.

介绍了新 研制 的网带连续式气体渗碳炉.

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Nonsymmetrical carburizing may also contribute to distortion.

渗碳的不对称也可能导致变形.

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The paper researches the effect of rare earths on carburized layer during carburizing operation.

研究了稀土元素庄渗碳过程中对渗层组织的影响.

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The result will take active action on improving discharge techniques in gas carburizing.

这一结论对改进渗碳排气工艺将产生积极的作用.

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Abstract: The carburizing process of steel 20 with and without RE addition was investigated.

文摘: 研究了不含稀土与含不同量稀土的20钢经过气体渗碳后的渗层厚度及试件从表层向内部的硬度变化.

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The regularity and the control of the distortion in carburizing process are also preliminarily investigated.

初步探讨了渗碳变形规律及控制方法.

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A newly developed BBH pre - vacuum pumping carburizing furnace has been introduced in this paper.

介绍了新研制的预抽真空式可控气氛气体渗碳炉.

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The feasibility and relative process for altering temperature and low pressure carburizing were studied.

研究了变温低压(真空)渗碳技术的可行性和相关工艺.

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As a raw gas for carburizing, it is necessary to desulphurize in the gas sufficiently.

所以作为渗碳用原料气必须对天然气充分脱硫.

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