MECHANICAL PROPERTIES OF POWDER  CoCrW-ALLOY PREPARED BY AM TECHNOLOGY

Fedoriková, Alica; Hudák, Radovan; Živčák, Jozef; Bidulský, Róbert; Petroušek, Patrik; Bidulská, Jana; Kočiško, Róbert; Rajťúková, Viktória

doi:10.17973/mmsj.2016_12_2016189

Cited by 8 publications

(4 citation statements)

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“…In the experiment, a keyhole size of about 100-150 μm has been investigated and measured, therefore it is not a major influence on porosity, and it is recommended to reduce the scanning speed or change the scanning strategy and reduce hatch spacing. [10,12] Novel Trends in Production Devices and Systems IV Fig. 4 Porosity on sample made by SLM Texture observation.…”

Section: Discussionmentioning

confidence: 99%

Comparison of Hardness of Surface 316L Stainless Steel Made by Additive Technology and Cold Rolling

Pagáč

Hajnyš

Petrů

et al. 2018

MSF

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The paper deals with the comparison of surface hardness and porosity of stainless steel 316L (1.4404) produced by additive technology (SLM) and cold rolled steel. The subject of the paper is a comparison of two sets of samples where the first set of samples was made on a Renishaw AM400 with a laser output of 200 W and 400 W. In each set of samples, were the samples without heat-treated and heat-treated by annealing. Measurement of porosity and surface hardness were performed on all samples. The surface hardness of the material was evaluated by a static test according to Brinell CSN EN 10003-1. The porosity measurement was performed by the optical method. The measured values were compared with the reference material, which was cold-rolled steel, in which both the porosity and the hardness of the surface were measured.

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Section: Discussionmentioning

confidence: 99%

Comparison of Hardness of Surface 316L Stainless Steel Made by Additive Technology and Cold Rolling

Pagáč

Hajnyš

Petrů

et al. 2018

MSF

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“…The potential of AM is fully realized by substantial research and development efforts, especially for complex metal components. The main reason for success is the industrial implementation of additive technology in the aerospace industry, which opens the way for wider applications in other industries such as biomedical and automotive industries [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the Material Properties of the Ti and CoCr Alloys Prepared by Laser Powder Bed Fusion

Bidulská

Bidulský

Petroušek

et al. 2020

MSF

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The main aim of the present paper is evaluated the mechanical properties, microstructures and porosity of Ti6Al4V and CoCrW alloys produced by Laser Powder Bed Fusion (L-PBF) as an additive manufacturing (AM) technology. The mechanical properties were follows: For Ti6Al4V alloy the UTS was 1180 MPa; the YS was in the range <600; 745 MPa>. For CoCrW alloys, the UTS were in range <750; 950 MPa> and YS was in range <400; 500>. Evaluation of porosity was realized on non-etched samples using by quantitative image analysis in order to describe the dimensional and morphological porosity characteristics. The pores in the Ti6Al4V alloy showed homogeneous distribution without significant large pores.

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“…AM technologies can achieve up to 90 -95 % of material savings. With the help of progressive technologies, it is possible to recycle the used powder material and increase the percentage of its utilization up to 100 % [7][8][9][10][11][12]. Laser Powder Bed Fusion (L-PBF) technology is particularly important in PM.…”

Section: Introductionmentioning

confidence: 99%

Influence of cryorolling on properties of L-PBF 316l stainless steel tested at 298K and 77K

Petroušek¹,

Kvačkaj²,

Kočiško³

et al. 2019

Acta Metall Slovaca

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<p class="AMSmaintext">The goal of the present work is to evaluate mechanical properties and to analyse the microstructure of 316L stainless steel produced by Laser Powder Bed Fusion (L-PBF) follow by rolling with different thickness reduction under ambient and cryogenic conditions. The samples before rolling were heat treated. The static tensile test was realized at ambient and cryogenic (77K) conditions. The L-PBF powder metal production technology approved that is a key technology in the AM area, especially for metal powder materials. Mechanical properties tested at 298K and 77K shows that the application of various thermo-deformation rolling conditions increases of strength properties. Achieved mechanical properties are comparable to conventional bulk materials. The strength properties after the rolling under ambient and cryogenic conditions were significantly increased.<strong></strong></p>

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MECHANICAL PROPERTIES OF POWDER CoCrW-ALLOY PREPARED BY AM TECHNOLOGY

Cited by 8 publications

References 0 publications

Comparison of Hardness of Surface 316L Stainless Steel Made by Additive Technology and Cold Rolling

Comparison of Hardness of Surface 316L Stainless Steel Made by Additive Technology and Cold Rolling

Evaluation of the Material Properties of the Ti and CoCr Alloys Prepared by Laser Powder Bed Fusion

Influence of cryorolling on properties of L-PBF 316l stainless steel tested at 298K and 77K

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