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首页> 外文会议>World Conference on Titanium v.1; 20030713-20030718; Hamburg; DE >The Prediction of Microstructural Development During TIMETAL~R 6-4 Billet Manufacture
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The Prediction of Microstructural Development During TIMETAL~R 6-4 Billet Manufacture

机译：TIMETAL〜R 6-4钢坯制造过程中显微组织发展的预测

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摘要

Primary processing of titanium alloys involves multiple processing stages, during which time the microstructure evolves along with process conditions. Optimisation of process routes for structural improvement can lead to a substantial cost reduction in widely used aerospace alloys like TIMETAL~R 6-4. Numerical models which describe the microstructural evolution during the thermo-mechanical processing of TIMETAL~R 6-4 billet have been developed jointly by TIMET and QinetiQ through the UK DTI Aeronautics Research Programme. These microstructural models, which include routines for the prediction of the α/β phase proportions, the α phase morphology and the α/β phase distribution, have been successfully validated with production material. Development and validation of the microstructure and the DEFORM-3D cogging models will be discussed, with specific reference to two TIMETAL~R 6-4 processing routes.
机译：钛合金的初级加工涉及多个加工阶段，在此期间，显微组织会随着加工条件的发展而变化。通过优化工艺路线来改善结构，可以大大降低诸如TIMETAL〜R 6-4等航空航天合金的成本。 TIMET和QinetiQ通过英国DTI航空研究计划共同开发了描述TIMETAL〜R 6-4钢坯热机械加工过程中微观组织演变的数值模型。这些微观结构模型（包括用于预测α/β相比例，α相形态和α/β相分布的例程）已通过生产材料成功验证。将讨论微观结构和DEFORM-3D齿槽模型的开发和验证，并特别参考两条TIMETAL〜R 6-4加工路线。

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