Method of welding method, welding method and welded joint body
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United States of America Patent
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Feb 3, 2015
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app pub date -
Mar 18, 2010
filing date -
Mar 25, 2009
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Abstract
A welding method of applying energy to an interface where a metal glass and a crystalline metal make contact with each other or to the metal glass near the interface, heating and melting the metal glass to form a molten layer, and joining the metal glass and the crystalline metal. The metal glass has a glass formation ability in which a nose time of a TTT curve when a solid of the metal glass is reheated is 0.2 seconds or more. The metal glass and the crystalline metal are formed with a material that satisfies a temperature range of a temperature of the metal glass at which a spread factor of the crystalline metal that has not been melted and the molten metal glass is 25% or more and a melting point of the crystalline metal to be 100 K or more.
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