Article
Materials Science, Multidisciplinary
Chunlun Chen, Aixin Feng, Bingjie Liu, Yacheng Wei, Xiangyu Song
Summary: This paper investigates the changes in microstructure and mechanical properties of high-chromium cast iron after quench-tempering and laser quenching treatments. The results show that laser quenching samples exhibit better wear resistance but are prone to surface cracking, leading to a reduction in impact toughness.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2022)
Article
Metallurgy & Metallurgical Engineering
Dok Su Paek, Chong Bin Jong
Summary: This study enhances the wear resistance of medium carbon Cr-Ni austenite stainless steel by using shielded metal arc welding. The precipitation of carbides formed by Cr, Mo, and V in the austenite matrix and at the grain boundaries contributes to the high surface hardness (HB 300-500) of the deposited hardfacing metals, resulting in improved wear resistance.
WELDING IN THE WORLD
(2022)
Article
Materials Science, Multidisciplinary
Rajan Kumar, Ravi Kumar Dwivedi, Ranjeet Kumar Arya, Pankaj Sonia, Anil Singh Yadav, Kuldeep K. Saxena, M. Ijaz Khan, Sana Ben Moussa
Summary: A pragmatic shift in metal development has been ongoing for industrialization in recent decades. There is a high demand for materials with high tensile strength and ductility in various engineering and industrial applications. Carbide-free bainitic in high silicon steel can meet this demand and be fabricated cost-effectively. This research thoroughly evaluates the wear rate of the proposed material in numerous applications, highlighting the influence of carbide-free bainitic and retained austenite on wear resistance in high silicon steel and the working parameters.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Materials Science, Ceramics
David Medved', Michal Ivor, Alexandra Kovalcikova, Erika Mudra, Tamas Csanadi, Richard Sedlak, Hakan Unsal, Peter Tatarko, Monika Tatarkova, Pavol Sajgalik, Jan Dusza
Summary: The wear characteristics of a high-entropy carbide were studied using a ball-on-flat technique. The wear behavior showed that the friction coefficient and specific wear rate increased with increasing load, and the dominant wear mechanism was identified as mechanical wear.
INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY
(2022)
Article
Materials Science, Ceramics
Jan Dusza, Tamas Csanadi, David Medved, Richard Sedlak, Marek Vojtko, Michal Ivor, Hakan Unsal, Peter Tatarko, Monika Tatarkova, Pavol Sajgalik
Summary: A (Hf-Ta-Zr-Nb-Ti)C high-entropy carbide was successfully prepared via ball milling and a two-step Spark Plasma Sintering process, achieving a single-phase ceramic sample with high relative density and hardness values. The wear mechanism of the sample was identified as mechanical wear, with an increase in specific wear rate correlated to the decrease in nanohardness on worn surfaces with increasing wear load.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2021)
Article
Materials Science, Ceramics
Xiaoyong Ren, Dingshun She, Chengbiao Wang, Zhijian Peng
Summary: Cu-coated diamond enhanced tungsten carbide powder (WC)-Ni cemented carbides were successfully fabricated using Spark plasma sintering method, achieving well-preserved and homogenously distributed diamond particles in the composites. Addition of 2-8wt% Cu-coated diamond significantly improved the relative density, hardness, toughness, and reduced the wear rate of the samples.
INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY
(2021)
Article
Nanoscience & Nanotechnology
Tianyi Zeng, Shuzhan Zhang, Xianbo Shi, Wei Wang, Wei Yan, Ke Yang
Summary: Vanadium and niobium have significant effects on the strength and microstructure of HSLA steels, with NbC and VC carbides playing key roles in inhibiting the growth of prior austenite grains and refining carbides and martensitic blocks. V-bearing steels exhibit higher strength after tempering, mainly due to the resistance to tempering softening provided by VC carbides.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2021)
Article
Materials Science, Ceramics
Omid Ganji, Seyed Abdolkarim Sajjadi, Zhi Gang Yang, Mostafa Mirjalili
Summary: Carbide coatings are widely used in molding industries because of their excellent anti-wear properties. This study focuses on the formation of carbide-composite coatings using a thermo-reactive diffusion method in molten salt baths. Various tests were conducted to evaluate the coatings, and it was found that the coatings consist of chromium carbides, vanadium carbides, and a carbon-chromium-vanadium triple phase.
CERAMICS INTERNATIONAL
(2022)
Article
Engineering, Mechanical
Chen Liu, Yuzhou Du, Xin Wang, Qi Zheng, Xinyu Zhu, Dongya Zhang, Dongjie Liu, Chao Yang, Bailing Jiang
Summary: The tribological behavior of quench-tempered ductile iron (QTDI) and austempered ductile iron (ADI) with similar hardness was investigated. QTDI was composed of cementite particles, ferrite and spheroidal graphite, whilst ADI was consisted of acicular ferrite, retained austenite and spheroidal graphite. Wear tests indicated that QTDI exhibited a lower friction coefficient than ADI. However, ADI had a better wear resistance than QTDI, which was because the transformation of re-sidual austenite into martensite induced by friction stress resulted in the increase of surface hardness. Worn surface morphology indicated that the main wear mechanisms of QTDI was adhesive and abrasive wear. How-ever, the surface fatigue wear was observed for ADI.
Article
Engineering, Mechanical
U. Pranav Nayak, Sebastian Suarez, Valentin Pesnel, Frank Mucklich, Maria Agustina Guitar
Summary: In this study, a high chromium cast iron alloy was tested for dry-sliding linear wear under different loads. The influence of load on the microstructural behavior and wear mechanisms was investigated. It was found that plastic deformation of the matrix occurred at loads equal to or higher than the critical load. The dominant wear mechanism shifted from adhesive wear to abrasive wear with increasing load, leading to increased wear volume and rate.
Article
Chemistry, Physical
Yixin Xie, Xiaonong Cheng, Jiabo Wei, Rui Luo
Summary: Carbide precipitation and coarsening in quenched Dievar steel during tempering are investigated. It is found that carbides become coarser on tempering, with the sizes for inter-lath carbides increasing noticeably and the sizes for intra-lath carbides remaining nearly constant.
Article
Materials Science, Multidisciplinary
Baozhen Yang, Xiang Xiong, Rutie Liu, Jie Chen, Junhao Yang, Huaizhuang Luan
Summary: Carbide powder, carbonyl iron powder, and yttrium hydride were used to prepare high-carbon CM2 high-speed steels through various processing steps, and the effect of YH2 addition on microstructure and mechanical properties was studied. The addition of YH2 resulted in the formation of submicron spherical Y2O3 particles, which improved bending strength but excessive addition led to decreased mechanical properties. Additionally, an increase in YH2 addition led to improvements in hardness, tempering softening resistance, and in-situ hot hardness.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2021)
Article
Materials Science, Multidisciplinary
Xingyu Liu, Ying Han, Junhu Wei, Guoqing Zu, Yu Zhao, Weiwei Zhu, Xu Ran
Summary: The effect of tempering temperature on the microstructure and mechanical properties of QPT processed steel was investigated. The findings show that the yield strength decreases gradually with increasing tempering temperature, while the tensile strength initially decreases and then increases. The elongation exhibits an increasing and then decreasing trend. The best mechanical properties are obtained at a tempering temperature of 340 degrees C, with a yield strength of 1495 MPa, tensile strength of 1806 MPa, elongation of 17.7%, and a product of strength and elongation up to 32.92 GPa%.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Nanoscience & Nanotechnology
Sasan Amirabdollahian, Faraz Deirmina, Massimo Pellizzari, Paolo Bosetti, Alberto Molinari
Summary: The study evaluates the influence of the microstructure of DLD H13 tool steel on direct tempering response and tempering after austenitization and quenching, discussing the factors affecting hardness and tempering behavior in detail with the aid of microstructural analysis and isochronal tempering studies.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2021)
Article
Chemistry, Physical
Zhanji Geng, Mengling Zhang, Jianyong Zhu, Yingbo Peng, Wei Zhang, Feng Liu
Summary: Cr3C2-modified NiCr-TiC composite coatings with different Cr3C2 contents were prepared by plasma spraying technique. The microstructure of the coatings was characterized by scanning electron microscopy, and the friction and wear performance of the coatings were evaluated. The results showed that the modified coatings had dense and smooth surfaces, with uniformly distributed TiC throughout the coatings. The hardness of the coatings increased with increasing Cr3C2 content up to 850 HV3, but further increase resulted in cracks and defects, leading to a decline in wear resistance.
