CHAIN GOLD ALLOY WIRE, MANUFACTURING METHOD THEREOF AND GOLD ALLOY CHAIN

To provide a gold alloy wire for manufacturing a chain capable of reducing the occurrence of an irregular shape or a defect of a top and improving the yield of a machine chain, a high-quality and high-grade gold alloy chain using the same, and a method for manufacturing a gold alloy wire for making...

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Bibliographische Detailangaben
Hauptverfasser:	MIKAMI MICHITAKA, CHEN I, ITO ANNA, TAKEDA HIDEYUKI, NAKAJIMA SHINICHIRO, NISHIYAMA YUJI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ALLOYS AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	To provide a gold alloy wire for manufacturing a chain capable of reducing the occurrence of an irregular shape or a defect of a top and improving the yield of a machine chain, a high-quality and high-grade gold alloy chain using the same, and a method for manufacturing a gold alloy wire for making a chain capable of improving the yield of a machine chain.SOLUTION: A gold alloy containing 99.8 mass% or more of gold, which contains one or more elements selected from Ce, Eu, Gd, La, Y, and Ca in a total amount of 50 mass ppm or more and 1500 mass ppm or less based on the total amount of the gold alloy. A gold alloy wire for chain making has a maximum yield strength of 330 MPa or more, and has 3σ of the maximum yield strength of 30 or less.SELECTED DRAWING: None 【課題】コマの異形状や不良の発生を低減し、マシーンチェーンの歩留まりを向上させることのできる製鎖用金合金ワイヤ及びこれを用いた高品質かつ高品位の金合金チェーンを提供する。マシーンチェーンの歩留まりを向上させることのできる製鎖用金合金ワイヤの製造方法を提供する。【解決手段】９９．８質量％以上の金を含有する金合金であって、Ｃｅ、Ｅｕ、Ｇｄ、Ｌａ、Ｙ及びＣａから選ばれる１種以上の元素を前記金合金の総量に対して合計で５０質量ｐｐｍ以上１５００質量ｐｐｍ以下含み、金合金ワイヤの最大耐力が３３０ＭＰａ以上、かつ最大耐力の３σは３０以下である製鎖用金合金ワイヤ。【選択図】なし