Effects of Furnace Atmosphere on Surface of Die Steel
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概要
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The surface of heat-treated steel has recently been regarded as very important and various atmospheres have widely been applied to its heat-treatments.In this paper, there are discoussed the behavior of furnace gases and the surface of heat-treated die steel by using the gas decomposed from CH3OH⋅C6H6 mixture, and H2, Ar, etc..The results obtained were summarized as follows:1) CO2 content decreased and CH4 content increased in the atmosphere produced from CH3OH⋅C6H6 mixture with the increase in C6H6 content of the mixture.2) The gas decomposed from CH3OH⋅C6H6 mixture, which contained 1-5% of C6H6, showed carbon potential of 1.2-1.9% at 950-1, 050°C, 4) The oxide of die steel produced by heat-treatment in the gas decomposed from single CH3OH was Fe3O4, which was supposed to be produced by H2O (gas) in the atmosphere.4) The luster of heat-treated die steel also depended upon its roughness.
- 社団法人 表面技術協会の論文
社団法人 表面技術協会 | 論文
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