LAMINATED TUBE AND METHOD FOR MANUFACTURING LAMINATED TUBE
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Jun 30, 2016
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Jun 30, 2015
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There is provided a laminated tube including a first layer composed of a first material containing tungsten, a second layer formed on the outer peripheral surface of the first layer and composed of a second material having the property of causing no transformation accompanied by expansion when the second material is cooled from a temperature higher by 1,000° C. or more than the melting point of the second material down to 25° C., and a third layer formed on the outer peripheral surface of the second layer and composed of a third material having the property of being capable of causing a transformation accompanied by expansion when the third material is cooled from a temperature higher by 1,000° C. or more than the melting point of the third material down to 25° C.
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