Tribological Performance of Boronized, Nitrided, and Normalized AISI 4140 Steel against Hydrogenated Diamond-Like Carbon-Coated AISI D2 Steel

Joshi, A.; Hosmani, Santosh S.; Dumbre, Jayshri

doi:10.1080/10402004.2014.988377

Cited by 19 publications

(7 citation statements)

References 32 publications

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“…In addition to improvement on the hardness and wear resistance, boronizing and chromizing treatment can also improve the corrosion resistance and high-temperature oxidation resistance of carbon steels. It has been reported that the boronizing coating with a high hardness of 1200-2000 HV has good wear resistance [11][12][13][14], as a result of the formation of hard phases of the types M 23 (C,B) 6 , M 3 (C,B), M 2 B, and M 3 B 2 [15]. However, the application of boronized coating in many fields (especially boronizing on the surface of carbon steels) are limited by the brittleness and poor cohesion [11].…”

Section: Introductionmentioning

confidence: 99%

Microstructures and Wear Resistance of Boron-Chromium Duplex-Alloyed Coatings Prepared by a Two-Step Pack Cementation Process

Zeng

Yang

et al. 2019

Coatings

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In this study, a two-step pack cementation process (preboronizing and then chromizing) was employed to prepare the B-Cr duplex-alloyed coating on the steel. After the first step of preboronizing (PB sample), box-type furnace chromizing (BC-1 sample) and induction heating chromizing (BC-2 sample) were carried out, respectively. The phases and microstructure of the coatings were characterized by X-ray diffraction (XRD), backscattering electron imaging (BSEI), and energy dispersive spectroscopy (EDS). The results reveal that the heating mode of the second step of chromizing has a significant effect on the phase composition and microstructure of the B-Cr coating. The efficiency of induction heating is higher than that of the box furnace heating, resulting in a thicker, denser, flatter surface, and B-Cr coating with fully reacted B and Cr elements. The wear and corrosion resistance of the steel is found to be significantly improved by the formation of effective B-Cr coating. The formation mechanisms and properties of the two duplex-alloyed coatings are investigated and discussed.

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Section: Introductionmentioning

confidence: 99%

Microstructures and Wear Resistance of Boron-Chromium Duplex-Alloyed Coatings Prepared by a Two-Step Pack Cementation Process

Zeng

Yang

et al. 2019

Coatings

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“…The worn-out surface of the tested pins was investigated using the optical microscope, SEM and EDS (energy-dispersive spectroscopy). The wear volume loss, specific wear rate and the depth of wear scar were calculated using the following equations [15]: where R is the radius of the pin (mm) and d is the diameter of wear scar (mm).…”

Section: Methodsmentioning

confidence: 99%

“…Boronizing and DLC coatings techniques are gaining popularity in recent years [2,4,6,[13][14][15][16][17][18][19][20][21] due to their potential for enhancing the wear and corrosion properties and hence, widening their industrial applications. Under a given condition, wear behaviour can depend on the combination of surface engineering methods that are applied to the contacting surfaces.…”

Section: Introductionmentioning

confidence: 99%

Wear behaviour of boronized and duplex-treated AISI 4140 steel against DLC-coated boronized AISI 4140 disc

Litoria

Joshi

et al. 2019

Surface Engineering

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Wear behaviour of the AISI 4140 steel specimens with various surface conditions was tested against the DLC-coated boronized disc of AISI 4140 steel. Specific wear rate and coefficient of friction (COF) of the as-boronized (AB) pins at 100 and 150 N loads were substantially lower than the boronized-polished (B-P) pins. COF of AB pins was in the range of 0.07-0.09. However, the COF of B-P pins was about 0.13. In case of the DLC-coated pins, underlying boronized surface outperformed the hardened-tempered surface. Wear properties of the DLC-coated pins were improved with an increase in the load. DLC coating on both contacting surfaces gave the lowest specific wear rate of 0.21 × 10 −8 mm 3 N −1 m −1 , which was about 30 times lower than the B-P pins, and COF was in the range of 0.08-0.09.

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“…Dynamic friction coefficient against silicon nitride decreases from~0.6 to~0.45, while wear rate is multiplied by~2 during such tests [38]. Against diamond like carbon (DLC) coatings, the friction coefficient is reduced to~0.1 and wear rate is lower than 10 −8 mm 3 •(N•m) −1 [39].…”

Section: Introductionmentioning

confidence: 99%

Sliding Wear Behavior of Friction Couples Primarily Selected for Corrosion Resistance: Iron Boride/Iron Boride and Iron Boride/Yttria-Stabilized Zirconia

D’Ans

Debouverie

2018

Metals

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Wear mitigation in a sliding couple is challenging if wear has to be minimized on both surfaces. In this paper, ball-on-disk testing is performed on sliding couples where both surfaces (ball and disk) are treated for wear resistance. Studied materials are pack borided H13 tool steel (ASTM A681), pack borided AISI 420 stainless steel (ASTM A276) and plasma sprayed yttria-stabilized zirconia (YSZ). Borided H13 steel exhibits a single phase Fe2B layer, while AISI 420 has a double phase layer, with FeB on the outer surface. Both FeB/Fe2B and FeB/YSZ couples generate three-body abrasion. In the latter case, mass transfer occurs from the ball to the disk as well. Friction coefficient is ~0.6 for the AISI 420/Fe2B and FeB/Fe2B sliding pairs, with less vibration on the latter and wear rates close to 10−3 mm³·(N·m)−1 for both the ball and the disk. In comparison, the FeB/YSZ pair has a friction coefficient of ~0.65, a similar total mass loss, but a much higher wear rate for YSZ than for FeB.

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Tribological Performance of Boronized, Nitrided, and Normalized AISI 4140 Steel against Hydrogenated Diamond-Like Carbon-Coated AISI D2 Steel

Cited by 19 publications

References 32 publications

Microstructures and Wear Resistance of Boron-Chromium Duplex-Alloyed Coatings Prepared by a Two-Step Pack Cementation Process

Microstructures and Wear Resistance of Boron-Chromium Duplex-Alloyed Coatings Prepared by a Two-Step Pack Cementation Process

Wear behaviour of boronized and duplex-treated AISI 4140 steel against DLC-coated boronized AISI 4140 disc

Sliding Wear Behavior of Friction Couples Primarily Selected for Corrosion Resistance: Iron Boride/Iron Boride and Iron Boride/Yttria-Stabilized Zirconia

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