The evolution of microstructure due to heat treatment on highly porous copper/silver systems

被引：0
|
作者：
Murtha, Brian A. [1 ]
Kulkarni, Anil K.
Singh, Jogender [1 ]
机构：
[1] Penn State Univ, Dept Eng Sci & Mech, University Pk, PA 16801 USA
来源：
PROCEEDINGS OF THE ASME INTERNATIONAL MECHANICAL ENGINEERING CONGRESS AND EXPOSITION 2007, VOL 8, PTS A AND B: HEAT TRANSFER, FLUID FLOWS, AND THERMAL SYSTEMS | 2008年
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D O I：
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中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The sintering phenomenon is examined in highly porous materials by first cold pressing powdered copper and silver and separately heat treating them in an un-pressurized furnace. The initial microstructure prior to heat treatment as compared to that after heat treatment showed similar characteristics regardless of the material or powder geometry. However after heat treatment, there are significantly different microstructures among samples. The microstructures depend on the maximum furnace temperature, the particle geometry, material composition, and the particle surface area. While the microstructures change significantly, there is no change in porosity between pre- and post- heat treated samples.
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页码：971 / 977
页数：7
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