Effect of NbC in-situ synthesis on the microstructure and properties of pre-placed WCoB-TiC coating by laser cladding

Zhang, Hao; Pan, Yingjun; Zhang, Yang; Lian, Guofu; Cao, Qiang; Zhu, Xingyu

doi:10.1007/s00170-022-08844-7

Cited by 8 publications

(1 citation statement)

References 66 publications

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“…For the in-situ synthesis of TiB 2 , the commonly used materials are titanium powder and boron powder. From thermodynamic and kinetic perspectives, the tendency to form TiB 2 from titanium powder and boron powder is stronger than forming TiB [41,42]. Zhang et al [43] studied the preparation process of TiB 2 from boron powder and titanium powder, finding that coatings synthesized in-situ from titanium and boron powder always exhibited cracks and pores regardless of the laser power, scanning speed, and defocus amount used in the experiment.…”

Section: Boride Hard Particlesmentioning

confidence: 99%

Advances in Laser-Clad, Particle-Reinforced Wear-Resistant Coatings: Enhancing Durability Through Material Innovation

Wang,

Luo,

Cai

et al. 2023

JSE

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The quest for superior wear-resistant coatings has led to significant advancements in laser cladding technology, yet the escalating requirements for durability under operational conditions challenge the efficacy of existing solutions. This investigation delves into the enhancement of wear resistance in coatings through the integration of particle reinforcement phases, identified as a cost-effective strategy for augmenting coating performance. Emphasis is placed on the systematic classification of particle reinforcements and the methodologies employed for their incorporation. The focus is particularly cast on the incorporation of hard and self-lubricating particles into laser-clad wear-resistant coatings, highlighting innovations in particle addition techniques. An examination of the mechanisms through which hard particles-comprising oxides, carbides, nitrides, borides, and their multifaceted compounds-reinforce coatings is presented, delineating the influence of particle content, size, and morphology on wear resistance. Additionally, the paper explores the state of research on the self-lubricating properties imparted by sulfides, fluorides, graphite, and MAX phase particles under varied thermal conditions. A critical analysis of the benefits and limitations associated with the use of hard and self-lubricating particles in the enhancement of coating durability is conducted. This comprehensive review serves not only to elucidate the current landscape of particle-reinforced, laser-clad coatings but also to inform future research directions aimed at developing coatings capable of withstanding high temperatures and exhibiting exceptional hardness. The commitment to leveraging in situ synthesis for the development of these advanced materials underscores the potential for significant breakthroughs in the field of wear-resistant coatings.

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Section: Boride Hard Particlesmentioning

confidence: 99%