DOI > 10.5291/ILL-DATA.1-02-179

This proposal is publicly available since 12/03/2020

Title

In situ measurement of surface modification mechanisms in the deep rolling process

Abstract

The new Collaborative Research Center "Process Signature" of the University of Aachen and Bremen concentrates on the study of physically based, process-independent surface modification mechanisms in order to achieve predictive machining processes with defined surface modifications. The focus of the experimental work in this study lies on the deep rolling process, which is widely used as a finishing step on components, improving the surface properties through cold working. In situ neutron diffraction mesurements on samples of steel grade 42CrMo4 in hardened state will be taken during load by the deep rolling tool in the experimental setup. With the expected results, an experimental description of the deep rolling process will be possible, outlining the strain and stress fields induced by the tool and the development of the residual stresses through plastic deformation in the processed surface and volume below. These results will be used to achieve a physically based prediction of property modifications due to mechanically induced strains.

Experimental Report

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Data Citation

The recommended format for citing this dataset in a research publication is in the following format:

EPP JEREMY; MEYER Heiner and PIRLING Thilo. (2015). In situ measurement of surface modification mechanisms in the deep rolling process. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.1-02-179

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Metadata

Experiment Parameters

Sample Parameters

  • Formula

    • 42CrMo4