Hot forging method for titanium alloy ingot
专利汇可以提供Hot forging method for titanium alloy ingot专利检索，专利查询，专利分析的服务。并且PURPOSE: To decrease the number of times of intermediate heating, and to obtain an alloy piece having scarcely a surface flow, by covering a heated high temperature ingot with a heat retaining cover consisting of a fibrous refractory, and bringing it to hot forging in a state that it remains covered with the heat retaining cover.
CONSTITUTION: Immediately after a heated high temperature ingot has been extracted from a heating furnace, it is covered with a heat retaining cover which consists of a fibrous refractory, and also, has been formed to a shape being suitable for covering the ingot, and brought to hot forging in a state that it remains covered with the heat retaining cover, by which an alloy piece is formed. As for the fibrous refractory, a fibrous refractory of an Al
2 O
3 -SiO
2 compound, an MgO-SiO
2 compound, or a CaO-SiO
2 compound is suitable, and as for the fibrous refractory, that which has become a cloth-shaped or felt- shaped sheet is used, and formed to a shape of the heat retaining cover. In this way, the main deforming work can be executed without executing the intermediate heating on the way of forging, and a surface crak flaw, etc., are decreased.
COPYRIGHT: (C)1987,JPO&Japio，下面是Hot forging method for titanium alloy ingot专利的具体信息内容。
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