Underwater laser cladding in full wet surroundings for fabrication of nickel aluminum bronze coatings

Feng, Xiangru; Cui, Xiufang; Jin, Guo; Zheng, Wei; Cai, Zhipeng; Wen, Xin; Lu, Bingwen; Liu, Jianming

doi:10.1016/j.surfcoat.2017.10.056

Cited by 55 publications

(11 citation statements)

References 18 publications

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“…Also, very few studies focused on the effectiveness of nucleating agents in copper alloys have been published: Sadayappan et al 29 reported that boron and zirconium were the most effective grain refiners in yellow brass and silicon bronzes; Feng et al 30,31 detailed a novel method to improve the underwater performance of laser cladded NAB by adding titanium. The study relied on the effect of this alloying element on the constitution of the different phases , microstructure and corrosion resistance showing that plays a refinement role on surface because it induces a faster cooling rate; Zhao et al 32 observed selective phase grain refinement mechanisms in NABs.…”

Section: Introductionmentioning

confidence: 99%

Effect of Ti on Microstructure, Mechanical Properties and Corrosion Behavior of a Nickel-Aluminum Bronze Alloy

Rivero

Berlanga

Palacio³

et al. 2021

Mat. Res.

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Nickel-aluminum bronze (NAB) alloys are suitable, in cast condition, to be used in marine propellers due to its excellent behavior avoiding erosion and cavitation as well as corrosion. A complex microstructure, intrinsic to this copper base system, is the result of a well-controlled chemical composition. There are few works related to the effect of adding small quantities of specific chemical elements on NAB alloys properties. The aim of this paper is to study the effect of Ti on the microstructure, mechanical properties, and corrosion behavior of a particular NAB alloy, CuAl10Fe5Ni5 (C95500), and the comparison to the Ti-free NAB alloy. Although the as-cast microstructure is very similar for both materials, the addition of only 120 ppm Ti leads to a significant grain refinement that plays a key role on the mechanical properties. It has been observed an increase in both microhardness and nanohardness as well as in the resultant Young moduli values, meanwhile no significant impact on the corrosion susceptibility has been observed.

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Section: Introductionmentioning

confidence: 99%

Effect of Ti on Microstructure, Mechanical Properties and Corrosion Behavior of a Nickel-Aluminum Bronze Alloy

Rivero

Berlanga

Palacio³

et al. 2021

Mat. Res.

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“…Traditional powder metallurgy [1] as well as arc melting technologies [2] are mainly used for this material. The most advanced technologies used for manufacturing products from copper alloys are wire arc additive manufacturing [3,4], selective laser melting (SLM) [5,6], and electron beam additive manufacturing (EBAM) [7]. The latest seems the most promising since it needs vacuum and therefore the risk of interlayer oxidizing is excluded.…”

Section: Introductionmentioning

confidence: 99%

Friction Behavior of Aluminum Bronze Reinforced by Boron Carbide Particles

2021

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A promising composite material for tribotechnical applications based on aluminum bronze with reinforcing boron carbide particles fabricated by a special electron beam additive deposition technique was studied experimentally and numerically. Tribological experiments showed that reinforcing by carbide particles allowed reducing the coefficient of friction from 0.26 to 0.19 and improving the wear resistance by 2.2 times. Computer modeling reveals two main factors playing a significant role in the friction behavior of the studied metal matrix composite: the mechanical effect of reinforcing ceramic inclusions and effective hardening of the metal matrix due to the peculiarities of the 3D electron beam printing. The mechanical effect of hardening inclusions determines a more rounded shape of wear particles, preventing wedging, and thereby increasing the stability of friction. Strengthening the metal matrix leads to reducing the number of wear particles.

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“…In the research of UWLC, Guo et al [ 4 ] studied the influence of water depth on laser welding forming, and analyzed the formation mechanism of a “beam channel” when the laser beam acts on the substrate through water. Feng Xiangru et al [ 5 , 6 ] found that the interactions of the laser, water and maintenance object affect the repair quality during the UWLC process. The homemade protective covering and the useful materials (as Ti) were used to solve the problems of UWLC.…”

Section: Introductionmentioning

confidence: 99%

Microstructure and Corrosion Resistance of Underwater Laser Cladded Duplex Stainless Steel Coating after Underwater Laser Remelting Processing

Zhu

Cai³

et al. 2021

Materials

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Combined with the technologies of underwater local dry laser cladding (ULDLC) and underwater local dry laser remelting (ULDLR), a duplex stainless steel (DSS) coating has been made in an underwater environment. The phase composition, microstructure, chemical components and electrochemical corrosion resistance was studied. The results show that after underwater laser remelting, the phase composition of DSS coating remains unchanged and the phase transformation from Widmanstätten austenite + intragranular austenite + (211) ferrite to (110) ferrite occurred. The ULDLR process can improve the corrosion resistance of the underwater local dry laser cladded coating. The corrosion resistance of remelted coating at 3 kW is the best, the corrosion resistance of remelted coating at 1kW and 5kW is similar and the corrosion resistance of (110) ferrite phase is better than grain boundary austenite phase. The ULDLC + ULDLR process can meet the requirements of efficient underwater maintenance, forming quality control and corrosion resistance. It can also be used to repair the surface of S32101 duplex stainless steel in underwater environment.

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Underwater laser cladding in full wet surroundings for fabrication of nickel aluminum bronze coatings

Cited by 55 publications

References 18 publications

Effect of Ti on Microstructure, Mechanical Properties and Corrosion Behavior of a Nickel-Aluminum Bronze Alloy

Effect of Ti on Microstructure, Mechanical Properties and Corrosion Behavior of a Nickel-Aluminum Bronze Alloy

Friction Behavior of Aluminum Bronze Reinforced by Boron Carbide Particles

Microstructure and Corrosion Resistance of Underwater Laser Cladded Duplex Stainless Steel Coating after Underwater Laser Remelting Processing

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