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Transient Migrating Phase Low Temperature Joining of Co-Sintered Particulate Materials Including a Chemical Reaction
Transient Migrating Phase Low Temperature Joining of Co-Sintered Particulate Materials Including a Chemical Reaction
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机译:包括化学反应在内的共烧结颗粒材料的瞬态迁移相低温结合
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摘要
A method joins bodies of two component materials, at least one of which is a particulate, at low temperature. A third component has a lower melting point than either of the components. The third component chemically reacts with one or both of the first two to form material with a higher melting point than the original third component. The system is heated to at or above that melting point. The third component melts and flows, migrating to fill spaces between particles. The fluid should migrate to and across the interface, bridging the two component materials. The migrating phase network connects across the joining interface. The reaction product remains solid at temperatures above the original melting point of the third component. The migrating phase can be the liquefied form of the third component, or, a glass, heated to act as a supercooled liquid.
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