Development of a TiAl turbocharger for passenger vehicles
Development of a TiAl turbocharger for passenger vehicles
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DOI：
10.1016/s0921-5093(01)01584-2
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发表时间：
2002-06-01
期刊：
影响因子：
6.4
通讯作者：
Tetsui, T
中科院分区：
文献类型：
--
作者：
Tetsui, T
为了提高加速性和减少客车废气中有害物质的量，涡轮增压器响应的提高是非常有效的。最简单的方法是将轻质材料应用于涡轮机叶轮，其中目前使用镍基超合金。然而，由于涡轮机叶轮暴露于850 ℃或更高温度的废气中，因此不能使用普通的轻质金属材料。在这里报道的开发工作中，一种新的高性能TiAl合金已经开发出所需的制造技术。涡轮增压器的适用性已被大量发动机试验所证实。导致成功的实际应用。三菱重工有限公司正在使用这种新材料生产高响应TiAl涡轮增压器。并且自1999年1月以来，它们已被用于三菱汽车公司的Lancer Evolution系列汽车。(C)2002 Elsevier Science B.V.保留所有权利。
In order to improve acceleration and to reduce the amount of harmful substances in the exhaust gases of passenger vehicles, improvement of turbocharger response is highly effective. The simplest way to do this is to apply lightweight materials for the turbine wheel, in which Ni-based superalloys are currently used. However, as the turbine wheel is exposed to exhaust gases at temperatures of 850 degreesC or more, normal lightweight metallic materials cannot be used. In the development work reported here, a new high-performance TiAl alloy has been developed together with the required manufacturing technology. Applicability for turbochargers has been confirmed by numerous engine tests. leading to successful practical application. High-response TiAl turbochargers are being produced by Mitsubishi Heavy Industries Ltd. using this new material. and they have been used in Mitsubishi Motors Corp. Lancer Evolution series automobiles since January 1999. (C) 2002 Elsevier Science B.V. All rights reserved.