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首页> 外文会议>International Conference on Processing amp; Manufacturing of Advanced Materials Pt.5; Jul 7-11, 2003; Leganes, Madrid, Spain >Thermo-mechanical Processing Improvements: Benefits and Costs
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Thermo-mechanical Processing Improvements: Benefits and Costs

机译：热机械加工的改进：收益和成本

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摘要

Many high performance metallic alloys depend on thermo-mechanical processing to exhibit the level of properties that make them attractive. Among the classes of alloys that fit this description are Ti, Ni and Al alloys. It is therefore, interesting to ask if the properties of these alloys have been optimized with the attendant question: "Can more performance be expected through better control of thermo-mechanical processing". The answer to this question calls into focus the well-known differences between the best properties generated in the laboratory and the so-called "minimum values" that are used in the design of products. It is well known that there is a significant discrepancy between these property values, with design minimums being consistently lower. This suggests that better control of processing can close this gap, resulting in a major benefit. This paper examines this question and suggests some possible means of closing the "gap". In particular, it will be argued that better process modeling will allow the achievement of more uniform properties of complex shaped forgings to be realized. The use of better models will meet some resistance on the basis of cost. It will be argued that the only realistic alternative is significant improvement in process control.
机译：许多高性能金属合金依靠热机械加工来表现出使其具有吸引力的性能水平。符合此描述的合金类别包括Ti，Ni和Al合金。因此，有趣的是要问这些合金的性能是否已通过以下问题得到了优化：“通过更好地控制热机械加工，可以期望获得更高的性能”。这个问题的答案将重点放在实验室产生的最佳特性与产品设计中使用的所谓“最小值”之间的众所周知的差异上。众所周知，这些属性值之间存在显着差异，且设计最小值始终较低。这表明更好地控制加工可以弥补这一差距，从而带来重大好处。本文研究了这个问题，并提出了一些弥补“差距”的可能方法。特别是，有人认为更好的过程建模将使复杂形状的锻件实现更均匀的性能。基于成本，使用更好的模型会遇到一定的阻力。有人认为，唯一现实的选择是对过程控制的重大改进。

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