Processing of the Heat Resistant Bearing Steel M50NiL by Selective Laser Melting

2018 ◽  
Vol 73 (4) ◽  
pp. 187-201
Author(s):  
O. Beer ◽  
C. Merklein ◽  
D. Gerhard ◽  
O. Hentschel ◽  
M. Rasch ◽  
...  
Keyword(s):  
Selective Laser Melting ◽  
Bearing Steel ◽  
Laser Melting ◽  
Heat Resistant

Defects of heat-resistant alloys synthesized by the method of selective laser melting

2017 ◽  
Vol 8 (1) ◽  
pp. 27-31 ◽  
Author(s):  
N. P. Alyoshin ◽  
V. V. Murashov ◽  
M. V. Grigoryev ◽  
A. G. Yevgenov ◽  
F. N. Karachevtsev ◽  
...  
Keyword(s):  
Selective Laser Melting ◽  
Laser Melting ◽  
Heat Resistant

Selective laser melting of heat-resistant Ni-based alloy

2015 ◽  
pp. 32-35 ◽  
Author(s):  
V. Sh. Sufiiarov ◽  
◽  
A. A. Popovich ◽  
E. V. Borisov ◽  
I. A. Polozov ◽  
...  
Keyword(s):  
Selective Laser Melting ◽  
Laser Melting ◽  
Heat Resistant

Evolution of the Structure and Properties of High-Chromium Heat-Resistant VZh159 Alloy Prepared by Selective Laser Melting: Part I

2020 ◽  
Vol 11 (1) ◽  
pp. 7-16
Author(s):  
E. N. Kablov ◽  
A. G. Evgenov ◽  
I. S. Mazalov ◽  
S. V. Shurtakov ◽  
D. V. Zaitsev ◽  
...  
Keyword(s):  
Selective Laser Melting ◽  
Structure And Properties ◽  
Laser Melting ◽  
High Chromium ◽  
Heat Resistant ◽  
Melting Part

scholarly journals Wear of 17-4 PH Stainless Steel Patterned Surfaces Fabricated Using Selective Laser Melting

2021 ◽  
Vol 11 (19) ◽  
pp. 9317
Author(s):  
Michela Sanguedolce ◽  
Jurgita Zekonyte ◽  
Marco Alfano
Keyword(s):  
Selective Laser Melting ◽  
Bearing Steel ◽  
Numerical Control ◽  
Measuring System ◽  
Hexagonal Prism ◽  
Textured Surfaces ◽  
Laser Melting ◽  
Surface Patterns ◽  
Steel Surfaces ◽  
Gap Spacing

The recent developments in additive manufacturing (AM) are providing unprecedented opportunities in various fields, including the fabrication of advanced materials for tribological applications. The present work describes the results of an exploratory study focused on the analysis of 17-4 PH steel surfaces obtained using selective laser melting (SLM). In particular, the study includes the analysis of baseline (as-produced) and textured steel surfaces. Surface texturing comprises hexagonal prism structures (with or without dimples) arranged in a honeycomb pattern with 50 µm or 100 µm gap spacing. Starting from the minimum printing size enabled by the 3D printing platform, various textures are prepared by scaling up the characteristic dimensions of the prisms up to 500%. The obtained surface patterns are characterized (qualitatively and quantitatively) using a non-contact computerized numerical control (CNC) measuring system. The coefficient of friction (COF) was investigated using a Ball-on-Disk configuration using bearing steel balls as counterparts. For a fixed sliding speed, different contact loads and sliding radii were considered, while the tests were carried out in either dry or lubricant-impregnated conditions. The results of wear tests in both dry and lubricated conditions indicated that the baseline samples are provided with lower COF compared to the textured ones. For the latter, neither the gap spacing nor the presence of dimples led to significant variations in the COF. However, in lubricated conditions, the values of the COF for baseline and textured surfaces were closer and much smaller. In particular, the results provide clear indications regarding reducing the gap between prisms, which had a beneficial effect on the COF in lubricated conditions. Similarly, sensitivity to dimples was quite remarkable, with a reduction in the COF of about 30% when the larger gap spacing between the prisms was used.

Structure and Properties of EP741NP Heat-Resistant Nickel Alloy Produced by Selective Laser Melting

2021 ◽  
Vol 62 (3) ◽  
pp. 302-310
Author(s):  
F. A. Baskov ◽  
Zh. A. Sentyurina ◽  
I. A. Logachev ◽  
M. Ya. Bychkova ◽  
A. I. Logacheva
Keyword(s):  
Nickel Alloy ◽  
Selective Laser Melting ◽  
Structure And Properties ◽  
Laser Melting ◽  
Heat Resistant

Selective Laser Melting of 3D Structures Produced from Heat-Resistant Cobalt Alloys

2015 ◽  
Vol 834 ◽  
pp. 71-76
Author(s):  
Tatiana Vasilievna Tarasova ◽  
Aleksey Petrovich Nazarov ◽  
Andrey Vladimirovich Gusarov
Keyword(s):  
Boundary Conditions ◽  
Selective Laser Melting ◽  
Complex Geometry ◽  
Cobalt Alloys ◽  
Cobalt Alloy ◽  
Laser Melting ◽  
3D Structures ◽  
3D Object ◽  
Heat Resistant ◽  
The Way

The technological possibilities of 3D object manufacturing with complex geometry from heat-resistant cobalt alloy by method of selective laser melting is considered in the work. The boundary conditions of the SLM and the way of its overcoming are demonstrated.

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