首页> 外国专利> TITANIUM ALLOY FOR HEAT RESISTANT MEMBER HAVING EXCELLENT CREEP RESISTANCE AND HIGH TEMPERATURE FATIGUE STRENGTH

TITANIUM ALLOY FOR HEAT RESISTANT MEMBER HAVING EXCELLENT CREEP RESISTANCE AND HIGH TEMPERATURE FATIGUE STRENGTH

机译：具有出色的耐蠕变性和高温疲劳强度的耐热合金钛合金

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摘要

PROBLEM TO BE SOLVED: To provide a titanium alloy for a heat resistant member having sufficient creep resistance higher than that of the conventional heat resistant alloy at 850°C higher than that of the conventional using maximum temperature at a low cost.;SOLUTION: Disclosed is a titanium alloy for a heat resistant member having a composition comprising, by mass, 5.0 to 6.5% Al, 0.5 to 5.0% Sn, 4.6 to 6.0% Zr, 0.3 to 0.5% Mo, 0.41 to 0.60% Si and 0.05 to 0.20% O and satisfying Fe+Cr+Ni: 0.07%, and the balance titanium with inevitable impurities. In this way, it has creep resistance higher than that of the conventional titanium alloy and is inexpensive, thus is suitable for use to high temperature applications such as an automotive engine valve, and not only contributes to the high output of an automotive engine, the reduction of its fuel consumption and noise suppression therein, but also can widely obtain its effect by the enlargement of applications to mass-produced products.;COPYRIGHT: (C)2010,JPO&INPIT

机译：解决的问题：提供一种用于耐热构件的钛合金，其在850℃下具有比常规耐热合金高的足够的耐蠕变性，而在低成本下比使用最高温度的常规耐热合金高。是一种用于耐热构件的钛合金，其成分包括质量百分比为5.0至<6.5％的Al，0.5至<5.0％的Sn，4.6至<6.0％的Zr，0.3至<0.5％的Mo，0.41至<0.60％ Si和0.05至<0.20％O且满足Fe + Cr + Ni：<0.07％，其余部分含不可避免的杂质钛。这样，它具有比常规钛合金更高的抗蠕变性，并且价格便宜，因此适用于高温应用，例如汽车发动机气门，并且不仅有助于汽车发动机的高输出，而且减少燃料消耗和抑制噪音，但通过扩大在批量生产产品中的应用范围，也可以广泛获得其效果。;版权所有：（C）2010，JPO＆INPIT

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公开/公告号JP2010053419A

专利类型
公开/公告日2010-03-11

原文格式PDF
申请/专利权人 NIPPON STEEL CORP;
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申请/专利号JP20080221678
发明设计人 MORI KENICHI;FUJII HIDEKI;
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申请日2008-08-29
分类号C22C14/00;
国家 JP
入库时间 2022-08-21 19:05:53

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