Enhancing surface integrity and corrosion resistance of laser cladded Cr–Ni alloys by hard turning and low plasticity burnishing

Zhang, Peirong; Wang, Qingqing

doi:10.1016/j.apsusc.2017.03.028

Cited by 59 publications

(24 citation statements)

References 32 publications

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“…The polarization curves are presented in Figure 9 for HfC coatings prepared at 0, −100, −150, and −200 V, and the coatings' current density (I coor ) and corrosion potential (E coor ) determined by the Tafel extrapolation method are listed in Table 2 [38,39]. For the 316L base, I coor and E coor were about 4.19 × 10 −6 A/cm 2 and −202 mV, respectively.…”

Section: Corrosion Testsmentioning

confidence: 99%

The Effects of Substrate Bias on the Properties of HfC Coatings Deposited by RF Magnetron Sputtering

Wang

Ding

et al. 2021

Coatings

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In the paper, by using radio frequency (RF) magnetron sputter technology, the HfC coating grew on a 316L stainless steel substrate in an Ar atmosphere at various substrate bias voltages from 0 to −200 V. From the X-ray diffraction (XRD) and transmission electron microscopy (TEM) experiments, the HfC coatings were well crystallized and (111) preferential growth had been successfully obtained by controlling bias voltage at −200 V. Nanoindentation experimental results for the prepared HfC coatings indicated that they possessed the maximum nanohardness due to the formation of the (111) orientation. The results of electrochemical measurements displayed that 316L stainless steel (316L) coated with the HfC coatings had better corrosion resistance than bare 316L. With the bias voltage increasing to −200 V, adhesion of the 316L substrate with the HfC coating could be greatly improved, as well as corrosion resistance. The antithrombogenicity of the HfC coatings was identified by platelet adhesive and hemolytic ratio assay in vitro. It was shown that the hemocompatibility of coated 316L had been improved greatly compared with bare 316L and the HfC coatings possessed better antithrombogenicity with the bias voltage elevating above −150 V.

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Section: Corrosion Testsmentioning

confidence: 99%

The Effects of Substrate Bias on the Properties of HfC Coatings Deposited by RF Magnetron Sputtering

Wang

Ding

et al. 2021

Coatings

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“…Wan et al [16] found that residual stress and micro-cracks had a significant impact on the corrosion resistance of machined aluminum alloy parts. Zhang et al [17] reported that in the hard turning and low plasticity burnishing of Cr-Ni alloys, residual compressive stress and surface roughness were more important than grain refinement and microhardness in improving corrosion resistance. Liu et al [18] pointed out that the thick oxide film on the machined surface produced in the high-speed dry cutting of 17-4PH stainless steel was conducive to corrosion resistance.…”

Section: Introductionmentioning

confidence: 99%

Surface Integrity and Corrosion Resistance of 42CrMo4 High-Strength Steel Strengthened by Hard Turning

Liu

et al. 2021

Materials

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To improve the surface corrosion resistance of 42CrMo4 high-strength steel used in a marine environment, this article studied the effects of hard turning on the surface integrity and corrosion resistance of 42CrMo4 high-strength steel through the single factor experimental method, namely hard turning, polarization corrosion, electrochemical impedance spectroscopy, potentiodynamic polarization curve, and salt spray tests. The results indicated that the surface integrity was modified by the hard turning, with a surface roughness lower than Ra 0.8 μm, decreased surface microhardness, fine and uniform surface microstructure, and dominant surface residual compressive stress. The hard turning process was feasible to strengthen the surface corrosion resistance of 42CrMo4 high-strength steel. The better corrosion resistance of the surface layer than that of the substrate material can be ascribed to the uniform carbides and compact microstructure. The corrosion resistance varied with cutting speeds as a result of the changed surface microhardness and residual compressive stress, varied with feed rates as a result of the changed surface roughness, and varied with cutting depths as a result of the changed surface residual compressive stress, respectively. The surface integrity with smaller surface roughness and microhardness and bigger surface residual compressive stress was beneficial for corrosion resistance.

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“…The effects of the sequential turning and burnishing process on surface topography, compressive stress (CS), micro-hardness (MH), porosity content (PC), and bonding strength (BS) of the Cr-Ni steel cladding were systematically investigated by Zhang and Liu (2015) [15]; and the findings revealed that (1) the machining responses were improved with the support of the sequential burnishing process; and (2) the PC and BS of the cladding layer were enhanced with the aid of the CS. A novel sequential process incorporating the hard turning with low plasticity burnishing was developed to enhance the surface integrity and corrosion resistance of Cr-Ni alloys [16]; and the authors stated that the CS and surface finish have important roles in improving the corrosion resistance; and the integrative process could be applied to produce anti-corrosion components. Hua et al (2019) developed a hybrid operation comprising the finish turning and low plasticity burnishing to improve the surface integrity and fatigue characteristic of Inconel 718 [17]; the results showed that (1) the surface characteristics, including the topography, phase change, MH, CS, and SR were significantly improved, (2) the fatigue life can be enhanced by 82.4% with the aid of a hybrid approach, and (3) the fatigue life was primarily affected on the CS and SR. An integrative operation using the turning and roller burnishing was developed to machine the long shafts [18], in which the mathematical model of the SR was developed in terms of the slenderness of shaft (SS), burnishing force (BF), f, and S; and the results showed that (1) the f is the most effective parameter, followed by the BF, SS, and S, respectively; and (2) the hardness, residual stress, wear resistance, and fatigue strength of machined components were improved with the support of the proposed process.…”

Section: Introductionmentioning

confidence: 99%

“…A novel sequential process incorporating the hard turning with low plasticity burnishing was developed to enhance the surface integrity and corrosion resistance of Cr–Ni alloys. 16 The authors stated that the CS and surface finish have important roles in improving the corrosion resistance; and the integrative process could be applied to produce anti-corrosion components. Hua et al 17 developed a hybrid operation comprising the finish turning and low plasticity burnishing to improve the surface integrity and fatigue characteristic of Inconel 718.…”

Section: Introductionmentioning

confidence: 99%

Optimization of compressed air assisted-turning-burnishing process for improving machining quality, energy reduction and cost-effectiveness

Nguyen

2020

Proceedings of the Institution of Mechanical Engineers, Part B:

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The burnishing process is used to enhance the machining quality via improving the surface finish, surface hardness, wear-resistance, fatigue, and corrosion resistance, and it is mostly used in aerospace, biomedical, and automotive industries to improve reliability and performance of the component. The combined turning and burnishing process is therefore considered as an effective solution to enhance both machining quality and productivity. However, the trade-off analysis between energy consumption, surface characteristics, and production costs has not been well-addressed and investigated. This study presents an optimization of the compressed air assisted-turning-burnishing (CATB) process for aluminum alloy 6061, aimed to decrease the energy consumption as well as surface roughness and to enhance the Vicker hardness of the machined surface. The machining parameters for consideration include the machining speed, feed rate, depth of cut, burnishing force, and the ball diameter. The improved Kriging models were used to construct the relations between machining parameters and the technological response characteristics of the machined surface. The optimal machining parameters were obtained utilizing the desirability approach. The energy based-cost model was developed to assess the effectiveness of the proposed CATB process. The findings showed that the selected optimal outcomes of the depth of cut, burnishing force, diameter, feed rate, and machining speed are 0.66 mm, 196.3 N, 8.0 mm, 0.112 mm/rev, and 110.0 m/min, respectively. The energy consumption and surface roughness are decreased by 20.15% and 65.38%, respectively, while the surface hardness is improved by 30.05%. The production cost is decreased by 17.19% at the optimal solution. Finally, the proposed CATB process shows a great potential to replace the traditional techniques which are used to machine non-ferrous metals.

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Enhancing surface integrity and corrosion resistance of laser cladded Cr–Ni alloys by hard turning and low plasticity burnishing

Cited by 59 publications

References 32 publications

The Effects of Substrate Bias on the Properties of HfC Coatings Deposited by RF Magnetron Sputtering

The Effects of Substrate Bias on the Properties of HfC Coatings Deposited by RF Magnetron Sputtering

Surface Integrity and Corrosion Resistance of 42CrMo4 High-Strength Steel Strengthened by Hard Turning

Optimization of compressed air assisted-turning-burnishing process for improving machining quality, energy reduction and cost-effectiveness

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