Studies on Some Mechanical Poroperties of Titanium-Silver-Iron Alloys. (Studies on the Titanium-Silver-Iron Alloys 2nd Report)

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  • Ti-Ag-Fe合金の二三の機械的性質について
  • Ti-Ag-Fe ゴウキン ノ ニサン ノ キカイテキ セイシツ ニ ツイテ

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Abstract

Some mechanical properties of titanium-silver-iron alloys have been studied principally by measuring the Kb values of canti-levered specimens. In titanium-silver alloys, the Kb value was increased considerably with the addition of silver and reached the value of about 90 kg/mm2 for the titanium-10% silver alloy,but in the two phase range it was reduced. In titanium-silver, titanium-silver-0.5% iron and titanium-silver-1% iron alloys, the values of Kb of the water quenched specimens, which consisted mainly of martensitic structure, were rather lower than the fully annealed and slowly cooled specimens. But the above was not true for the titanium-silver-2% iron and titanium-silver-4% iron alloys. The retained beta-solid solution had very higher Kb value. The Vickers’ pyramid hardness number and tensile strength showed corresponding relationship each other but there was no correspondence between Kb and Vickers’ pyramid hardness number or tensile strength. Elongations of the water quenched specimens were generally worse than the slowly cooled specimens. Kb value was considerably lowered by the cold working but by the subsequent annealing it was restored.

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