Manufacturing process and mechanical properties of BJ3DP tungsten heavy alloy components

Nigarura, Salvator; Shah, Rahul; Karhumaa, Teemu; Trasorras, Juan L.

doi:10.1016/j.ijrmhm.2022.105954

International Journal of Refractory Metals and Hard Materials

2022

DOI: 10.1016/j.ijrmhm.2022.105954

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Manufacturing process and mechanical properties of BJ3DP tungsten heavy alloy components

Salvator Nigarura¹,

Rahul Shah²,

Teemu Karhumaa³

et al.

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Study on Electrochemical Behavior and Mechanical Performance of CoWP Alloy Coating Prepared on Q215A Steel by Electrodeposition

Zheng¹

2022

International Journal of Electrochemical Science

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The CoWP alloy coating is electrodeposited on the surface of Q215A steel used for mechanical arm. The effect of sodium tungstate concentrations on the corrosion resistance and mechanical performance of CoWP coated Q215A steel is studied. It is found out that CoWP coated Q215A steel is formed by codeposition induced by tungsten and cobalt. The hypophosphate is reduced to phosphorus which can be doped into the CoW alloy to finally obtain CoWP coated Q215A steel. Tungsten atoms can enter into the cobalt lattice, which can inhibit the nucleation process of cobalt, so as to refine the grain and improve the compactness of the CoWP coated Q215A steel resulting in the decrease of roughness and increase of mechanical performance. The CoWP coated Q215A steel electrodeposited from the solution with 15 g/L sodium tungsten has the best mechanical performance and optimal corrosion resistance. However, when the concentration of sodium tungstate in the bath reaches 20 g/L, the deposition of cobalt is hindered due to the precipitation of a large number of tungsten oxides, which leads to decrease of corrosion resistance and mechanical performance.

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Study on Electrochemical Behavior and Mechanical Performance of CoWP Alloy Coating Prepared on Q215A Steel by Electrodeposition

Zheng¹

2022

International Journal of Electrochemical Science

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Manufacturing process and mechanical properties of BJ3DP tungsten heavy alloy components

Cited by 1 publication

References 6 publications

Study on Electrochemical Behavior and Mechanical Performance of CoWP Alloy Coating Prepared on Q215A Steel by Electrodeposition

Study on Electrochemical Behavior and Mechanical Performance of CoWP Alloy Coating Prepared on Q215A Steel by Electrodeposition

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