... influenced the erosion resistance of 1.4301 steel. Tests conducted at an impact angle of 30 deg showed a higher erosion rate of approximately 91%. The test results showed that with a normal impact angle, the final and subsurface hardness were higher. Numerical analyses of contact stresses were carried out...

... by the Tribology Division of ASME for publication in the J ournal of T ribology . 21 01 2025 28 02 2025 28 02 2025 11 03 2025 Composites friction hardness sliding solid lubricants wear Accepted Manuscript Not Copyedited Journal of Tribology. Received January 21, 2025...

... to a higher wear-rate, with the maximum wear-rate (3.39 × 10 −3 mm 3 /m) occurring at high heat input and 25 N, while the minimum wear-rate (1.2 × 10 −3 mm 3 /m) was observed at low heat input and 15 N. Vickers microhardness results demonstrated an inverse relationship between hardness and heat input...

...Jinbin Zou; Xingyao Wang; Xusheng Du In this work, for surface protection of NiTi alloy, an amorphous carbon layer was directly deposited onto it via a self-catalytic flame coating method. The effect of the flame coating time on the physicochemical structure and mechanical hardness of the products...

... ribology . 08 08 2024 04 12 2024 06 12 2024 17 01 2025 stir-squeeze casting aluminum composite heat treatment wear worn surface composites friction hardness wear mechanisms The automotive, aerospace, and marine industries have been the main users of aluminum...

...Huiying Wang; Hang Li; Jianliang Li; Ningxin Wei; Longlong Sun; Jiewen Huang; Jian Kong; Qiujie Wu; Yan Shi Films have been prepared with not only high hardness to guarantee excellent wear resistance but also high toughness to prevent brittle fracture at low to middle-high temperatures...

..., resulting in the lowest wear rate. The samples tempered at 150 °C suffered from the severe abrasive action of hard carbide particles, while the samples treated at 350 °C failed because of carbide coarsening. References [1] Kara , F. , Küçük , Y. , Özbek , O. , Özbek , N. A. , Gök...

... , A. , Guan , P. W. , Chmielus , M. , and Rollett , A. D. , 2020 , “ Effect of Heat Treatment on Microstructural Evolution and Hardness Homogeneity in Laser Powder Bed Fusion of Alloy 718 ,” Addit. Manuf. , 35 , p. 101282 . 10.1016/j.addma.2020.101282 [7] Levkulich , N. C...

...@bjut.edu.cn Email: yszhao@bjut.edu.cn Email: lzf@bjut.edu.cn Email: chengqiang@bjut.edu.cn Email: yangcongbin@bjut.edu.cn Email: S202176182@emails.bjut.edu.cn abrasion contact area hardness Accepted Manuscript Not Copyedited Journal of Tribology. Received September 01, 2023...

... hardness measurements of the weld joints are performed. The surface roughness and wear behavior of the coatings are also studied. Nanoscale wear phenomena and consequent phase transformations are studied using molecular dynamics simulations. The results show that 312 and 316 stainless steels are suitable...

.... The highest wear resistance was found with the LPBF cryo-treated BD sample due to increased hardness from 388 HV to 640 HV. The worn surface of test samples was examined by using scanning electron microscopy (SEM), energy dispersive X-ray, 3D profilometer, and XRD analysis. Oxidation wear, adhesive wear...

... , R. C. , Felipe Junior , P. , Paradela , K. G. , Garção , W. J. L. , and Ferreira , A. F. , 2018 , “ Effect of Solidification Processing Parameters and Silicon Content on the Dendritic Spacing and Hardness in Hypoeutectic Al-Si Alloys ,” Mater. Res. , 21 ( 6 ). 10.1590/1980-5373...

...Ankan Das; Pankaj Biswas; Sajan Kapil In this article, friction stir additive manufacturing, a solid-state process for rapid fabrication of large components, is employed to investigate laminated Al–Mg–Si alloy blocks. The study delves into microstructural changes, hardness distribution, and wear...

... coefficient of friction, hardness, and elastic modulus compared to untreated Ti–35Nb. The crystalline structure of the nanotubes and the oxide interface layer enhanced adhesion, preventing plastic deformation and improving tribocorrosion resistance. 1 Corresponding author. Email: arossettoluz...

... exhibited a uniform distribution of reinforced particles and grain refinement. Compared to the LM13 base alloy, NDP composite containing 15 wt% reinforcement showed significant improvement in hardness (57%), coefficient of friction (57%), mild-to-severe wear transition temperature, average steady-state wear...

...% BNNTs. Successful dispersion of nanoparticles within the aluminum matrix was achieved. The hardness of the coatings exhibited significant improvements compared to the pure aluminum coating. Specifically, the Al-BNNT coating showed a hardness increase of 14.1%, the Al-B 4 C-BNNT coating displayed...

... and mechanical variation with respect to the addition of TiB 2 onto the AA2024 surface was studied and evaluated. Results proposed an increase in mechanical strength and hardness with respect to TiB 2 addition when compared with the substrate metal. Dry sliding wear characteristics of aluminum surface composites...

... [ 1 ]. When the hard and irregular surface slides over the smooth and delicate surface, abrasion will occur, which results in the loss of material. The severity of wear is particularly evident in auto parts, construction parts, agricultural products, and bulldozers [ 2 ]. To improve the hardness...

... experienced by the metal during the WAAM process. Higher heat input induces low hardness, which in turn causes more plastic deformation than lower heat input. As the load increases, plastic deformation transforms austenite to martensite, reducing ferrite (%) concentration. Under severe loads, worn...

... dislocation motion and displaying high residual stress. The high residual stress would accelerate the formation of microcracks and affect the integrity of the oxide layer under the plastic shear deformation of wear. In addition, there are hard oxide particles on the surface, and the existence of oxide...