Influence of Intense Bulk Plastic Deformation on the Roughness of a Milled AISI 321 Stainless Steel Surface


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Abstract

The roughness of a milled surface is investigated for AISI 321 austenitic stainless steel with different structure and mechanical properties. The grain size is modified by familiar methods of intense plastic deformation: ABC pressing and rolling. For milling, stainless-steel plates of different thickness are prepared. Cylindrical hard-alloy mills are employed. Analysis of the microgeometry of the machined surface indicates that change in structure and mechanical properties by intense plastic deformation decreases the height parameters Sa and Sz of the roughness by factors of 1.8–6.7.

About the authors

A. V. Filippov

Tomsk Polytechnic University; Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences

Author for correspondence.
Email: andrey.v.filippov@yandex.ru
Russian Federation, Tomsk, 634050; Tomsk, 634055

S. Yu. Tarasov

Tomsk Polytechnic University; Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences

Email: andrey.v.filippov@yandex.ru
Russian Federation, Tomsk, 634050; Tomsk, 634055

O. A. Podgornykh

Tomsk Polytechnic University

Email: andrey.v.filippov@yandex.ru
Russian Federation, Tomsk, 634050

N. N. Shamarin

Tomsk Polytechnic University

Email: andrey.v.filippov@yandex.ru
Russian Federation, Tomsk, 634050

S. V. Fortuna

Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences

Email: andrey.v.filippov@yandex.ru
Russian Federation, Tomsk, 634055

E. O. Filippova

Tomsk Polytechnic University

Email: andrey.v.filippov@yandex.ru
Russian Federation, Tomsk, 634050

A. V. Vorontsov

Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences

Email: andrey.v.filippov@yandex.ru
Russian Federation, Tomsk, 634055

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