METAL WIRE AND SAW WIRE

• Main Authors: NAKAI, Yui, KANAZAWA, Tomohiro, NAKAAZE, Tetsuya, TSUJI, Kenshi
• Format: Patent
• Language: English; French; Japanese
• Published: 19.01.2023
• Subjects: ALLOYS; BASIC ELECTRIC ELEMENTS; CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS; CHEMISTRY; DRESSING OR CONDITIONING OF ABRADING SURFACES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS; FERROUS OR NON-FERROUS ALLOYS; GRINDING; MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; METALLURGY; PERFORMING OPERATIONS; POLISHING; SEMICONDUCTOR DEVICES; TOOLS FOR GRINDING, BUFFING, OR SHARPENING; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS; WORKING CEMENT, CLAY, OR STONE; WORKING STONE OR STONE-LIKE MATERIALS

A metal wire made of tungsten or a tungsten alloy, wherein the number of times before the metal wire is severed when subjected to a fatigue test in accordance with JIS C6821 standard with a maximum stress of 4400 MPa is 20,000 or more. L'invention concerne un fil métallique en tungstène ou en alliage de tungstène, le nombre de fois avant que le fil métallique ne soit coupé lorsqu'il est soumis à un test de fatigue conformément à la norme JIS C6821 avec une contrainte maximale de 4 400 MPa étant de 20 000 ou plus. 金属線は、タングステン又はタングステン合金からなり、ＪＩＳ　Ｃ６８２１規格に準じて最大応力４４００ＭＰａで疲労試験を行った場合における断線に至るまでの回数が２万回以上である。