The In-Depth Stress Distribution for 1H13 Specimen after Cutting

Q4 Engineering Fatigue of Aircraft Structures Pub Date : 2016-06-01 DOI:10.1515/fas-2016-0005
Elżbieta Gadalińska, Wojciech Wronicz, Maciej Malicki
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Abstract

Abstract Measuring the in-depth stress state is of vital importance for materials scientists. Strain gauges methods are capable of yielding information only about the surface stress state. Diffraction methods using synchrotron or neutron radiation, which allow totally non-destructive stress measurements inside the material, are not widely available. In this context, the best widely available method combines the X-ray diffraction stress measurements and gradual removal of the outer layer by means of electropolishing. Here, this method was applied to the specimen made of 1H13 stainless steel cut with under water on a corundum cut-off wheel. The idea was to investigate how deeply an additional stress state resulting from cutting was introduced and whether the technique of combining of X-ray diffractometry and electropolishing can be used widely for determining the stress state inside the specimen.
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切削后1H13试样的深部应力分布
深度应力状态的测量对材料科学家来说至关重要。应变计方法只能提供有关表面应力状态的信息。使用同步加速器或中子辐射的衍射方法,可以在材料内部进行完全无损的应力测量,但并不广泛使用。在这种情况下,最好的广泛可用的方法结合了x射线衍射应力测量和通过电抛光逐渐去除外层。本文将该方法应用于刚玉切断轮上水下切割的1H13不锈钢试样。其目的是研究切割产生的额外应力状态的深度,以及x射线衍射和电抛光相结合的技术是否可以广泛用于确定试样内部的应力状态。
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来源期刊
Fatigue of Aircraft Structures
Fatigue of Aircraft Structures Engineering-Safety, Risk, Reliability and Quality
CiteScore
0.40
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0.00%
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0
期刊介绍: The publication focuses on problems of aeronautical fatigue and structural integrity. The preferred topics include: full-scale fatigue testing of aircraft and aircraft structural components, fatigue of materials and structures, advanced materials and innovative structural concepts, damage tolerant design of aircraft structure, life extension and management of ageing fleets, structural health monitoring and loads, fatigue crack growth and life prediction methods, NDT inspections, airworthiness considerations.
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