METHOD FOR THE POWDER-METALLURGICAL PRODUCTION OF COMPONENTS FROM TITANIUM OR TITANIUM ALLOYS
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United States of America Patent
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Jun 25, 2020
app pub date -
Apr 4, 2017
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Apr 14, 2016
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Abstract
A method for the powder-metallurgical production of a component from titanium or a titanium alloy is disclosed. In this method, following the customary procedure, first a green part is formed by using metal powder formed from titanium or the titanium alloy and is densified and compacted in a subsequent sintering step. Metal powder of titanium or the titanium alloy with an average grain size of <25 μm is used for producing the green part and the sintering step is carried out at a sintering temperature of up to a maximum of 1100° C. for a sintering at a sintering duration of ≤5 hours in an atmosphere that is under a reduced pressure in comparison with normal pressure. These measures achieve the effect that the grain structure of the material obtained, and consequently also the material properties, can be selectively influenced.
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