INVESTIGATION OF THE EFFECT OF THERMAL POST-TREATMENT ON DENSITY AND HARDNESS OF A GREEN PART PRINTED WITH FFF TECHNOLOGY

Bazarbay B.B. Kurbanova B.A. Absadykov B.N. Isametova M.E. Kawałek A.M.
2022 University of Chemical Technology and Metallurgy

Journal of Chemical Technology and Metallurgy
2022 #57 Issue 6 1258 - 1266 pp.

Additive manufacturing technologies can offer a cost-effective alternative to the production of metal parts of complex geometric shape compared to traditional production or expensive methods of melting powder coatings. In this work, the starting materials were developed by adding 75 % by volume to 316 L stainless steel powder and 25 % by volume from LDPE materials as a binder. Methods of burning and sintering were carried out in a hydrogen atmosphere at a temperature of 1387°C. The resulting metal sample was described mechanically and microstructurally. After sintering the metal samples have a powder size of ~ 7 μm, a level of 250 MPa and a nanoindentation hardness of 4.87 GPa, which are the characteristic features of burnt steel.

Fused filament fabrication , Sintering , Stainless steel

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Department of Mechanical Engineering, Standardization, Certification and Metrology, Institute of Energy and Mechanical Engineering, Satbayev University, Almaty, 050013, Kazakhstan
Department of Physics, School of Sciences and Humanities, Nazarbayev University, Nur-Sultan, 010000, Kazakhstan
Czestochowa University of Technology, Czestochowa, 42-224, Poland

Department of Mechanical Engineering
Department of Physics
Czestochowa University of Technology

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