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摘要:
A coating with high hardness, wear and oxidation resistance was prepared by electric arc spray. The hardness, bonding strength, abrasive wear and values of porosity and oxidation resistance of the coating were investigated. The microstructures and function of Cr3C2 of the coating were analyzed. The results showed surface Rockness Hardness HR30 reached 72.5 and average bond strength reached 49.1Mpa. Also porosity value was less than 2%. In addition, it was found from the comparison between the coating and 45CT coating that, oxidation resistance of the coating was less than that of 45CT, but the abrasive wear of the coating was obvious better than that of 45CT.
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来源 :
14TH CONGRESS OF INTERNATIONAL FEDERATION FOR HEAT TREATMENT AND SURFACE ENGINEERING, VOLS 1 and 2, PROCEEDINGS
年份: 2004
页码: 984-987
语种: 英文