Xiaoxiao Li, Xiujiang Shi^*, Yusheng Jian, Yaqi Yang, Bailing Guan, Zehong Cai

The International Conference on Computational & Experimental Engineering and Sciences, Vol.33, No.4, pp. 1-1, 2025, DOI:10.32604/icces.2025.011099

Abstract Based on COMSOL simulation software, the planar Gaussian heat source model was used to simulate and analyze the surface reinforced nickel-based coating on H13 steel, and the optimal process parameters were obtained. Secondly, TiC reinforced nickel base coating was prepared in situ on H13 steel surface by laser cladding technology. The morphology, phase composition, microhardness and friction and wear properties of matrix, single coating and gradient coating were compared by scanning electron microscopy, X-ray diffractometer, microhardness tester and universal friction and wear machine. Finally, the bionic gradient TiC reinforced nickel base coating was prepared on… More >

Alena Vjuginova^1,*, Leonid Leontyev²

Journal of Renewable Materials, Vol.13, No.9, pp. 1819-1828, 2025, DOI:10.32604/jrm.2025.02025-0061 - 22 September 2025

Abstract In this paper, the stability of the results of ultrasonic wood surface modification after long-term storage, including macroscopic properties and microstructure of specimens, was investigated. Specimens of aspen wood (Populus tremula) were processed by the developed ultrasonic method of wood surface modification in three different treatment modes and the surface hardness of the specimens was evaluated after processing and after storing the specimens for more than 5 years since long-term stability is an important factor for the use of ultrasonically modified sawn timber as construction and finishing materials. The obtained results of surface hardness measurements by… More > Graphic Abstract

Jianping Li, Wan Xiong, Tenghang Zhang, Hao Cheng, Kun Shen, Miaojin He, Yu Zhang, Junxin Song, Ying Deng^*, Qiaowang Chen^*

CMC-Computers, Materials & Continua, Vol.84, No.2, pp. 2189-2216, 2025, DOI:10.32604/cmc.2025.066128 - 03 July 2025

Abstract Tungsten carbide-based (WC-based) cemented carbides are widely recognized as high-performance tool materials. Traditionally, single metals such as cobalt (Co) or nickel (Ni) serve as the binder phase, providing toughness and structural integrity. Replacing this phase with high-entropy alloys (HEAs) offers a promising approach to enhancing mechanical properties and addressing sustainability challenges. However, the complex multi-element composition of HEAs complicates conventional experimental design, making it difficult to explore the vast compositional space efficiently. Traditional trial-and-error methods are time-consuming, resource-intensive, and often ineffective in identifying optimal compositions. In contrast, artificial intelligence (AI)-driven approaches enable rapid screening and… More >

T. M. Ilyas^a, F. M. Sadigov^a, N. Sh. Mammadova^a, Y. I. Aliyev^b,c, R. E. Huseynov^d,*

Chalcogenide Letters, Vol.21, No.9, pp. 707-717, 2024, DOI:10.15251/CL.2024.219.707

Abstract The Ho-Bi-Te ternary system was studied by DTA, X-ray diffraction, and MSA, as well as by measuring microhardness and determining density, congruent triangulation scheme and projection of the liquidus surface, types and coordinates of mono- and invariant equilibria. It is established that this system is triangulated into five pseudo-ternary systems. It was discovered that an incongruently melting ternary compound containing HoBiTe₃ is formed in the Ho-Bi-Te ternary system. X-ray phase analysis established that the HoBiTe₃ compound crystallises in a tetragonal system with lattice parameters: a = 19.99, с = 13.82 Å, Z = 3. Studying the More >

Areej S. Alqarni^a,*, I. Bulus^b, M. Abioye^c

Chalcogenide Letters, Vol.21, No.11, pp. 873-884, 2024, DOI:10.15251/CL.2024.2111.873

Abstract To unveiled the function of exchanging Sm₂O₃ for B₂O₃ on the physical and mechanostructural traits of multi-component glass, five distinct type (A, B, C, D and E) of glasses originated from (50-x)B₂O₃-10P₂O₅-30TeO₂-10ZnO-xSm₂O₃ (0.1≤x≤1.5, mol%) compositions were fabricated by using ordinary approach of melt-quenching. The noncrystallinity status of the synthesized samples was established by X-ray diffraction (XRD) profile. However, with sequential replacement of B₂O₃ by Sm₂O₃, the deduced values of physical entities such as density (d₃), Sm3+ ions concentration (N_i), field strength (F) and glass hardness (H_v) of our produced glasses were significantly amplified, while the molar volume (V_m) alongside polaron More >

Can Kang^1,*, Shifeng Yan¹, Haixia Liu², Jie Chen², Kejin Ding³

FDMP-Fluid Dynamics & Materials Processing, Vol.20, No.11, pp. 2431-2442, 2024, DOI:10.32604/fdmp.2024.055688 - 28 October 2024

Abstract The presented study aims to reveal the effect of liquid temperature on cavitation-induced erosion of an Al-Mg alloy. An experimental work was conducted using a submerged cavitating waterjet to impact the specimen surface. For a certain cavitation number and a given standoff distance, different liquid temperatures were considered. Accordingly, a comprehensive comparison was implemented by inspecting the mass loss and surface morphology of the tested specimens. The results show that the cumulative mass loss increases continuously with the liquid temperature. A cavitation zone with an irregular profile becomes evident as the cavitation treatment proceeds. Increasing More > Graphic Abstract

Jingshan Huang, Bin Yao^*, Qixin Lan, Zhirong Pan

CMES-Computer Modeling in Engineering & Sciences, Vol.138, No.1, pp. 525-550, 2024, DOI:10.32604/cmes.2023.029675 - 22 September 2023

Abstract Friction and wear phenomenon is a complex nonlinear system, and it is also a significant problem in the process of metal cutting. In order to systematically analyze the friction and wear process of tool material-workpiece material friction pair in the cutting process of high hardness alloy steel under different lubrication conditions, the chaotic characteristics of friction process between high hardness alloy steel and cemented carbide under the lubrication C60 nano-particles fluid are studied based on the chaos theory. Firstly, the friction and wear experiments of the friction pair between high hardness alloy steel and cemented… More >

Xin Wang^1,3, Ying Yan^1,3, Hongmei Ji^1,3,*, Xiaowu Li^1,2,*

Journal of Renewable Materials, Vol.11, No.8, pp. 3297-3308, 2023, DOI:10.32604/jrm.2023.027066 - 26 June 2023

Abstract As an essential renewable mineral resource, mollusk shells can be used as handicrafts, building materials, adsorbents, etc. However, there are few reports on the wear resistance of their structures. The Vicker’s hardness and friction, and wear resistance of different microstructures in mollusk shells were comparatively studied in the present work. The hardness of prismatic structures is lower than that of cross-lamellar and nacreous structures. However, the experimental results of sliding tests indicate that the prismatic structure exhibits the best anti-wear ability compared with foliated, crossed-lamellar, and nacreous structures. The anti-wear and hardness do not present More > Graphic Abstract

Huali Guo^*, Yi Liang, Zhilong Zhang, Yuanhua Chen

FDMP-Fluid Dynamics & Materials Processing, Vol.18, No.1, pp. 57-70, 2022, DOI:10.32604/fdmp.2022.017989 - 10 November 2021

Abstract In order to analyze the influence of the anodizing process on the thermal load of an aluminum alloy piston, dedicated temperature tests have been carried out using the Hardness Plug method and the results for the anodized piston have been compared with those obtained separately for an original aluminum piston. In addition, numerical simulations have been conducted to analyze the temperature field and thermal stress distribution. Simulations and experiments show that the maximum temperature of the anodized piston is 16.36% and 5.4% smaller than that of the original piston under the condition of maximum torque More >

Hongjun Wang^*, Shihong Zhang

Frontiers in Heat and Mass Transfer, Vol.16, pp. 1-5, 2021, DOI:10.5098/hmt.16.6

Abstract Catalytic combustion can inhibit the formation of CO and NOx, and greatly reduce the concentration of unburned alkanes. The hardness of tap water in Beijing is too high. In order to test whether the modified fly ash can reduce its hardness, clay, shale and fly ash bricks were prepared by catalytic combustion furnace. The results show that the fly ash brick has a great influence on Ca²⁺ and Mg²⁺ in water, increasing Ca²⁺ concentration by 59.96% and decreasing Mg²⁺ concentration by 41.22%. Thus modified fly ash could not reduce hardness of water but could be used as More >