Properties and formation mechanism of cladding layer on high-strength low-alloy steel subjected to ultrasonic impact treatment with titanium alloy pin

Liu, Chuan; Wang, Jianfei; Tian, Lihui; Liu, Zhenguang; Wang, Jianxin; Zhang, Jianxun

doi:10.1016/j.surfcoat.2021.127256

Cited by 15 publications

(16 citation statements)

References 58 publications

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“…In the previous study, 25 the corrosion-resistant property of the UIC-treated EQ70 steel specimen was compared with that of the untreated one, and it was found that the UIC process can improve the corrosion-resistant property of the EQ70 steel. In the present study, the corrosion-resistant property of the UIC-treated specimen is compared with that of the UIT-treated one.…”

Section: Electrochemical Corrosion Resultsmentioning

confidence: 99%

“…First, the mixed oxides in the cladding layer and the oxidation layer play a significant effect in corrosion improvement. 30 Stable oxides such as Ti oxides are generated in the cladding layer, 25 resulting in enhanced corrosion resistance. Secondly, the surface finish may also have played a role in the improved corrosion resistance.…”

Section: Electrochemical Corrosion Resultsmentioning

confidence: 99%

“…The forming process of the clad coating after UIC with titanium alloy pin was detailedly introduced in Ref. 25. A brief introduction is given here.…”

Section: Ultrasonic Impact Cladding and Ultrasonic Impact Treatmentmentioning

confidence: 99%

“…Figure 2. Cross-sectional appearance of the EQ 70 steel specimens: (a) UIT specimen and (b) UIC specimen 25. …”

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confidence: 99%

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A comparative study of ultrasonic impact cladding of steel surface using titanium alloy pin

Liu

Tian

Wang

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part C:

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The ultrasonic impact cladding (UIC) of steel surface using titanium alloy pins is comparatively studied. The cross-sectional appearance, roughness, hardness, and corrosion properties of EQ70 high-strength low-alloy steel specimens after UIC were compared to those after ultrasonic impact treatment (UIT) with steel pins. And the effects of substrate strength and pin diameter on the UIC layer were investigated. Results show that the specimens treated by the UIC have lower roughness and better corrosion resistance than the UIT-treated specimen. The hardness of the pin, as well as the hardness and strength of the treated material, has a decisive effect on the thickness and element content of the cladding layer. The prerequisite for generating a cladding layer on the steel surface with the UIC is that fragments should be produced from the pin under the impact.

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Section: Electrochemical Corrosion Resultsmentioning

confidence: 99%

Section: Electrochemical Corrosion Resultsmentioning

confidence: 99%

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A comparative study of ultrasonic impact cladding of steel surface using titanium alloy pin

Liu

Tian

Wang

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part C:

Self Cite

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“…[ 1 , 2 ]. Laser cladding technology can significantly improve the mechanical properties of the parts surface to achieve protection [ 3 , 4 ]. However, the cladding thickness is generally higher than 1 mm, and the dilution rate of the coating and the thermal effect on the thin-walled pump barrel material is high [ 5 ].…”

Section: Introductionmentioning

confidence: 99%

In Situ Synthesis of (M:Nb,Ta)C/Ni35 Composite Coating Cladded on 40Cr Steel

et al. 2021

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To improve the wear and corrosion resistance of the pump barrel material (40Cr steel), a (M:Nb,Ta)C/Ni35 composite cladding coating by in situ synthesis of composite carbides was conducted. The effects of ceramic micro-particles content on the phase composition, microstructure of the coating, structural characteristics of (M:Nb,Ta)C and the tribology and electrochemical corrosion behavior were systematically studied. The increase of ceramic micro-particles changed the morphology of (M:Nb,Ta)C with the size from sub-micron to micron. The (M:Nb,Ta)C dispersed along the grain boundary inhibits the growth of the grains. During friction, the spherical structure exhibited a rolling lubrication effect and the petal structure provided a stronger attachment ability to resist the shear. The corrosion occurred at the grains, exhibiting corrosion pits, in which the high content ceramic micro-particles were relatively shallow. Moreover, a few dot corrosion pits were distributed along the grain boundaries without (M:Nb,Ta)C. Therefore, to improve the corrosion resistance, a thin composite carbide coating with good wear and corrosion resistance was prepared.

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