Hot isostatic pressing influence on the mechanical properties of selectively laser-melted 316L steel

• Autorzy: Kluczyński J. , Śnieżek L. , Grzelak K. , Oziębło A. , Perkowski K. , Torzewski J. , Szachogłuchowicz I. , Gocman K. , Wachowski M. , Kania B.

Identyfikatory

DOI

10.24425/bpasts.2020.135396

• Języki publikacji: EN

Abstrakty

EN

Industries that rely on additive manufacturing of metallic parts, especially biomedical companies, require material science-based knowledge of how process parameters and methods affect the properties of manufactured elements, but such phenomena are incompletely understood. In this study, we investigated the influence of selective laser melting (SLM) process parameters and additional heat treatment on mechanical properties. The research included structural analysis of residual stress, microstructure, and scleronomic hardness in low-depth measurements. Tensile tests with specimen deformation analysis using digital image correlation (DIC) were performed as well. Experiment results showed it was possible to observe the porosity growth mechanism and its influence on the material strength. Specimens manufactured with 20% lower energy density had almost half the elongation, which was directly connected with the porosity growth during energy density reduction. Hot isostatic pressing (HIP) treatment allowed for a significant reduction of porosity and helped achieve properties similar to specimens manufactured using different levels of energy density.

Słowa kluczowe

EN

316L austenitic steel; Selective Laser Melting; SLM; hot isostatic pressing; microscopic investigation; residual stresses

PL

stal austenityczna 316L; selektywne topienie laserowe; SLM; prasowanie izostatyczne na gorąco; badanie mikroskopowe; naprężenia szczątkowe

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2020
• Tom: Vol. 68, nr 6
• Strony: 1413--1424
• Opis fizyczny: Bibliogr. 31 poz., rys., tab.

Twórcy

autor

Kluczyński J.

• Military University of Technology, Faculty of Mechanical Engineering, Institute of Robots & Machine Design, ul. Gen. S. Kaliskiego 2, 00-908 Warsaw 49, Poland

autor

Śnieżek L.

• Military University of Technology, Faculty of Mechanical Engineering, Institute of Robots & Machine Design, ul. Gen. S. Kaliskiego 2, 00-908 Warsaw 49, Poland

autor

Grzelak K.

• Military University of Technology, Faculty of Mechanical Engineering, Institute of Robots & Machine Design, ul. Gen. S. Kaliskiego 2, 00-908 Warsaw 49, Poland

autor

Oziębło A.

• Institute of Ceramics and Building Materials, Department of Ceramics and Composites, ul. Postepu 9, 02-676 Warsaw, Poland

autor

Perkowski K.

• Institute of Ceramics and Building Materials, Department of Ceramics and Composites, ul. Postepu 9, 02-676 Warsaw, Poland

autor

Torzewski J.

• Military University of Technology, Faculty of Mechanical Engineering, Institute of Robots & Machine Design, ul. Gen. S. Kaliskiego 2, 00-908 Warsaw 49, Poland

autor

Szachogłuchowicz I.

• Military University of Technology, Faculty of Mechanical Engineering, Institute of Robots & Machine Design, ul. Gen. S. Kaliskiego 2, 00-908 Warsaw 49, Poland

autor

Gocman K.

• Military University of Technology, Faculty of Mechanical Engineering, Institute of Vehicles & Transportation, ul. Gen. S. Kaliskiego 2, 00-908 Warsaw 49, Poland

autor

Wachowski M.

• Military University of Technology, Faculty of Mechanical Engineering, Institute of Robots & Machine Design, ul. Gen. S. Kaliskiego 2, 00-908 Warsaw 49, Poland

autor

Kania B.

• Institute of Metallurgy and Materials Science, Polish Academy of Sciences, ul. Reymonta 25, 30-059 Krakow, Poland

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).