Effect of In-situ TiC Particles on Microstructure of Spray-deposited 7075 Alloy

LIU Huimin; WANG Hongbin; YANG Bin; HE Jianping; ZHANG Jishan

doi:10.13374/j.issn1001-053x.2003.04.012

Volume 25 Issue 4

Aug. 2021

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Article Navigation > Chinese Journal of Engineering > 2003 > 25(4): 337-340

LIU Huimin, WANG Hongbin, YANG Bin, HE Jianping, ZHANG Jishan. Effect of In-situ TiC Particles on Microstructure of Spray-deposited 7075 Alloy[J]. Chinese Journal of Engineering, 2003, 25(4): 337-340. doi: 10.13374/j.issn1001-053x.2003.04.012

Citation:

LIU Huimin, WANG Hongbin, YANG Bin, HE Jianping, ZHANG Jishan. Effect of In-situ TiC Particles on Microstructure of Spray-deposited 7075 Alloy[J]. Chinese Journal of Engineering, 2003, 25(4): 337-340. doi: 10.13374/j.issn1001-053x.2003.04.012

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Effect of In-situ TiC Particles on Microstructure of Spray-deposited 7075 Alloy

doi: 10.13374/j.issn1001-053x.2003.04.012

State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China

Received Date: 2002-11-11
Available Online: 2021-08-17

Abstract

Abstract

The grain growth behavior of melt in-situ reaction spray deposited 7075+TiC (2.91%, voluminal fraction) alloy were studied, and the effect of in-situ TiC particles on the microstructure of spray-formed 7075 alloy was investigated. The sectioned specimens were heat-treated isothermally at various temperatures between the solidus and liquidus of 7075 alloy for times in the range of 10-60 min, then quenched in water. The microstructure of reheated specimens was characterized using SEM and the grain size was measured using a mean linear intercept method. It is shown that the in-situ TiC particles can effectively control grain size even at 600℃ after 60 min.
- spray deposition,
- semi-solid state,
- microstructure,
- in-situ TiC particle