Journal of Superhard Materials最新文献_第10页

Surface Roughness and Lateral Forces on the Faces of Type Ib and IIa Diamond Single Crystals Ib型和IIa型金刚石单晶表面粗糙度和侧向力

IF 1.2 4区材料科学

Journal of Superhard Materials Pub Date : 2025-04-01 DOI: 10.3103/S1063457625010058

S. A. Klymenko, M. O. Bondarenko, S. O. Ivakhnenko, V. V. Lysakovskyi, M. Yu. Kopieikina, T. V. Kovalenko, O. O. Zanevskyy

{"title":"Surface Roughness and Lateral Forces on the Faces of Type Ib and IIa Diamond Single Crystals","authors":"S. A. Klymenko, M. O. Bondarenko, S. O. Ivakhnenko, V. V. Lysakovskyi, M. Yu. Kopieikina, T. V. Kovalenko, O. O. Zanevskyy","doi":"10.3103/S1063457625010058","DOIUrl":"10.3103/S1063457625010058","url":null,"abstract":"This study presents the results of research on the roughness height parameters and lateral forces on the faces of cubes and octahedra of diamond single crystals and constructs maps of their distribution. The research was conducted using atomic force microscopy (AFM) and lateral force microscopy (LFM) using samples of type Ib and IIa diamond single crystals, grown using the high temperature and high pressure (HTHP) method. It was found that for type Ib diamond single crystals, the surface roughness (Ra parameter) of the cube faces is 3.3 times smaller, and that of the octahedron faces is 1.5 times smaller than for type IIa diamond single crystals. Additionally, for type Ib diamond single crystals, the lateral forces on the cube faces are, on average, 3.5 times smaller, while those on the octahedron faces are, on average, 9.5 times larger than for type IIa diamond single crystals. The results suggest that the level of lateral forces on the faces of diamond single crystals is determined by the roughness of their surfaces.","PeriodicalId":670,"journal":{"name":"Journal of Superhard Materials","volume":"47 1","pages":"81 - 84"},"PeriodicalIF":1.2,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143749120","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Hard WС–(Ті,W)C–10Со Alloy with Increased Hardness and Strength 硬WС - （Ті，W） C-10Со合金硬度和强度增加

IF 1.2 4区材料科学

Journal of Superhard Materials Pub Date : 2025-04-01 DOI: 10.3103/S1063457625010083

M. M. Prokopiv, O. V. Kharchenko, Yu. P. Uschapovskyi, I. V. Lisovska, I. M. Zakiev

{"title":"Hard WС–(Ті,W)C–10Со Alloy with Increased Hardness and Strength","authors":"M. M. Prokopiv, O. V. Kharchenko, Yu. P. Uschapovskyi, I. V. Lisovska, I. M. Zakiev","doi":"10.3103/S1063457625010083","DOIUrl":"10.3103/S1063457625010083","url":null,"abstract":"Some characteristics are reported for modified hard alloy T5K10 formed under the conditions of purposeful control over the thermokinetic free vacuum sintering parameters minimizing the processes of solid- and liquid-phase interaction between tungsten carbide and cobalt, which determine the redistribution and recrystallization of carbide grains. The synthesized WС–(Ті,W)C–10Со hard alloy is characterized by a homogeneous finely grained structure, a high density (ρ = 12.98 g/cm3), a low level of residual microporosity, a bimodal composition of WC grains, and bridges between carbide grains. As compared to the commercial analogue, the synthesized hard alloy has a 2.4 GPa higher hardness (НV = 15), a 270 MPa higher mechanical bending strength, a 1.4 MPa m0.5 higher fracture toughness, and 1.5 times higher wear resistance. The modification of sintering technology and structural transformations in the synthesized WС–(Ті,W)C–10Со hard alloy have result in a 2.5-fold increase in its service durability during rough steel turning (forged axles of a railway wagons platform) and, in the case of deep soil chiseling, an increase in abrasion resistance is 48%.","PeriodicalId":670,"journal":{"name":"Journal of Superhard Materials","volume":"47 1","pages":"20 - 29"},"PeriodicalIF":1.2,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143749222","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Structure of Fe–Cr–Cu–Ni–Sn Matrices with Different ZrO2 Contents for Sintered Diamond-Containing Composites 烧结含金刚石复合材料中不同ZrO2含量Fe-Cr-Cu-Ni-Sn基体的结构

IF 1.2 4区材料科学

Journal of Superhard Materials Pub Date : 2025-01-23 DOI: 10.3103/S1063457624060078

B. T. Ratov, V. A. Mechnik, N. A. Bondarenko, V. M. Kolodnitskyi, E. S. Hevorkian, V. A. Chishkala, N. S. Akhmetova, S. P. Starik, V. V. Bilorusets, P. S. Sundetova

{"title":"Structure of Fe–Cr–Cu–Ni–Sn Matrices with Different ZrO2 Contents for Sintered Diamond-Containing Composites","authors":"B. T. Ratov, V. A. Mechnik, N. A. Bondarenko, V. M. Kolodnitskyi, E. S. Hevorkian, V. A. Chishkala, N. S. Akhmetova, S. P. Starik, V. V. Bilorusets, P. S. Sundetova","doi":"10.3103/S1063457624060078","DOIUrl":"10.3103/S1063457624060078","url":null,"abstract":"The possibility to create materials for use as a matrix of sintered composite diamond-containing materials (CDMs) is shown. The results of experimental studies on the dependence of the structure of 26Fe–25Cr–32Cu–9Ni–8Sn CDM matrices manufactured by spark plasma sintering on the ZrO2 additive content (ranged from 0 to 10%) are presented. The development of metal matric composites based on Fe–Cr–Cu–Ni–Sn matrices with ZrO2 additives is a new approach to replacing the basic materials, which are commonly used in tools for stone processing industry. In the initial state, a 26Fe–25Cr–32Cu–9Ni–8Sn composite sample has a nonuniform distribution of elements. It is shown that the addition of ZrO2 micropowder to the 26Fe–25Cr–32Cu–9Ni–8Sn composite makes it possible to form a structure, whose parameters can be purposefully controlled by changing its concentration. Under such conditions, the composites containing the ZrO2 additive have a more uniform distribution of elements. Stable correlations have been established between the ZrO2 additive content and the microstructure parameters.","PeriodicalId":670,"journal":{"name":"Journal of Superhard Materials","volume":"46 6","pages":"421 - 431"},"PeriodicalIF":1.2,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108926","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Investigation of the Correlation between Technological Properties of Cubonite Grinding Powders with Combined Coatings and the Performance Characteristics of Grinding Wheels Fabricated from These Powders 复合涂层长石磨粉的工艺性能与复合涂层制砂轮性能的相关性研究

IF 1.2 4区材料科学

Journal of Superhard Materials Pub Date : 2025-01-23 DOI: 10.3103/S1063457624060066

G. A. Petasyuk, V. I. Lavrinenko, V. G. Poltoratskyi, O. O. Pasichnyi, O. U. Petasyuk

{"title":"Investigation of the Correlation between Technological Properties of Cubonite Grinding Powders with Combined Coatings and the Performance Characteristics of Grinding Wheels Fabricated from These Powders","authors":"G. A. Petasyuk, V. I. Lavrinenko, V. G. Poltoratskyi, O. O. Pasichnyi, O. U. Petasyuk","doi":"10.3103/S1063457624060066","DOIUrl":"10.3103/S1063457624060066","url":null,"abstract":"A quantitative analysis of the correlation between the technological properties of cubic boron nitride (cubonite) grinding powders, modified with a combined coating, and the performance characteristics of grinding wheels made with such powders has been conducted. The values of the paired correlation coefficients were obtained between the relative loss of abrasive and the surface roughness (parameter Ra) of the treated surface (dependent factors), the technological parameters of the coating, the processing efficiency, and certain morphometric characteristics and technological properties of the modified grinding powders (independent factors). Factors exerting the greatest effect on the relative consumption of cubonite grinding powder in wheels during grinding are the processing efficiency (correlation coefficient of 0.884) and certain morphometric characteristics, such as the roughness of the grain projection (correlation coefficient of 0.28 and 0.294). In the case of surface roughness (parameter Ra), the most significant factors are also the processing efficiency, with a correlation coefficient of 0.856, and the specific perimeter of the grain projection, with a correlation coefficient of 0.12. Recommendations for applying these results are presented.","PeriodicalId":670,"journal":{"name":"Journal of Superhard Materials","volume":"46 6","pages":"482 - 491"},"PeriodicalIF":1.2,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108834","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synthesis of Magnesium–Aluminum Spinel at High Pressures and High Temperatures in the Mg2B2O5–Al, MgO–Al2O3, and MgO–Al2O3–Al Systems Mg2B2O5-Al、MgO-Al2O3和MgO-Al2O3 - al体系高压高温下镁铝尖晶石的合成

IF 1.2 4区材料科学

Journal of Superhard Materials Pub Date : 2025-01-23 DOI: 10.3103/S106345762406008X

Y. Y. Rumiantseva, T. Polczyk, S. O. Lysovenko

{"title":"Synthesis of Magnesium–Aluminum Spinel at High Pressures and High Temperatures in the Mg2B2O5–Al, MgO–Al2O3, and MgO–Al2O3–Al Systems","authors":"Y. Y. Rumiantseva, T. Polczyk, S. O. Lysovenko","doi":"10.3103/S106345762406008X","DOIUrl":"10.3103/S106345762406008X","url":null,"abstract":"The possibility of MgAl2O4 synthesis at high pressures and high temperatures (by the HPHT method) has been studied for за Mg2B2O5–Al, MgO–Al2O3, and MgO–Al2O3–Al systems. It has been established that, for the Mg2B2O5–Al system, the highest quantity of MgAl2O4 is observed at a pressure of 2GPa and a temperature of 1600°C. A further increase in temperature and pressure leads to a growth in the content of boron-containing phases. For the MgO–Al2O3 and MgO–Al2O3–Al systems, as well as for the Mg2B2O5–Al system, the MgAl2O4 phase content is observed to decrease with an increase in the compaction pressure. It’s indicate that an increase in pressure suppresses the interaction between the initial components for all the systems. The addition of aluminum as a liquid-phase component makes it possible to extend the pressure range, within which the MgAl2O4 phase is observed to form, to evidence that this approach to MgAl2O4 synthesis is promising for further application.","PeriodicalId":670,"journal":{"name":"Journal of Superhard Materials","volume":"46 6","pages":"415 - 420"},"PeriodicalIF":1.2,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Thermodynamic Modeling of the Sintering of Diamond Hard-Alloy Plates in the C–Co–W System at a Pressure of 6 GPa 金刚石硬质合金板在6 GPa压力下C-Co-W烧结的热力学模拟

IF 1.2 4区材料科学

Journal of Superhard Materials Pub Date : 2025-01-23 DOI: 10.3103/S1063457624060091

V. Z. Turkevych, O. O. Matviichuk, Li Decheng, D. V. Turkevych

引用次数: 0

Rapid synthesis of Nanodiamond/rGO Composites by Utilizing the Explosive Characteristics of Graphene Oxide 利用氧化石墨烯的爆炸特性快速合成纳米金刚石/氧化石墨烯复合材料

IF 1.2 4区材料科学

Journal of Superhard Materials Pub Date : 2025-01-23 DOI: 10.3103/S1063457624060030

Danhui Han, Chong Peng, Guangtong Zhou, Bingtao Hu

引用次数: 0

The Effect of Holding Time on the Properties of N-Vacancy Diffused High-Entropy Nitride Ceramics (Ti0.25V0.25Cr0.25Nb0.25)N0.825 保温时间对n -空位扩散高熵氮化陶瓷（Ti0.25V0.25Cr0.25Nb0.25）N0.825性能的影响

IF 1.2 4区材料科学

Journal of Superhard Materials Pub Date : 2025-01-23 DOI: 10.3103/S1063457624060108

Peixun Wang, Jiuyang Li, Luyu Yang, Yi Wu

引用次数: 0

Effect of Cu–Sn–Ti Solder Alloy on Morphology, Bonding Interface, and Mechanical Properties of Brazed Diamond Grits Cu-Sn-Ti钎料合金对钎焊金刚石磨粒形貌、结合界面及力学性能的影响

IF 1.2 4区材料科学

Journal of Superhard Materials Pub Date : 2025-01-23 DOI: 10.3103/S106345762406011X

Jun Zhang, Kai Li, Zhe Zhang, Jiarong Chen, Peicheng Mo, Xiaoyi Pan, Qiaofan Hu, Chao Chen

{"title":"Effect of Cu–Sn–Ti Solder Alloy on Morphology, Bonding Interface, and Mechanical Properties of Brazed Diamond Grits","authors":"Jun Zhang, Kai Li, Zhe Zhang, Jiarong Chen, Peicheng Mo, Xiaoyi Pan, Qiaofan Hu, Chao Chen","doi":"10.3103/S106345762406011X","DOIUrl":"10.3103/S106345762406011X","url":null,"abstract":"The present study focused on characterizing Cu70–Sn20–Ti10 solder alloy powder used for brazing diamond grits in a vacuum at 960°C for 20 min. The study covered the macroscopic and microscopic morphology of Cu–Sn–Ti/diamond, the products and thickness of the interfacial reaction layer, the surface morphology of diamond grits, and the phase and morphology of surface attachments after reaction. Additionally, the effects of graphitization and compressive strength of the diamond after the reaction were also studied. The study’s results revealed that the solder alloy could climb up to the diamond grits effectively and exhibited excellent wettability. Microscopically, a TiC reaction layer was observed at the interface between them, and the thickness of the reaction layer was about 1.92 μm, leading to the realization of a chemical metallurgical combination. After brazing, the uncovered surface of diamond grits appeared smooth and did not show graphitization, except for slight graphitization in a few corrosion pits. Moreover, no significant change was observed in the compressive strength of the diamond before and after brazing.","PeriodicalId":670,"journal":{"name":"Journal of Superhard Materials","volume":"46 6","pages":"440 - 449"},"PeriodicalIF":1.2,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143108929","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Theoretical Evaluation of the Brittle Strength of cBN–TiN Two-Phase Ceramics cBN-TiN两相陶瓷脆性强度的理论评价

IF 1.2 4区材料科学

Journal of Superhard Materials Pub Date : 2025-01-23 DOI: 10.3103/S1063457624060042

V. I. Kushch, A. S. Manohin, S. A. Klimenko

引用次数: 0