Voprosy Materialovedeniya最新文献_第2页

Studying the effects of the butadiene rubber and nitrile butadiene rubber ratio on the elastomers properties 研究丁二烯橡胶和丁腈橡胶比例对弹性体性能的影响

Voprosy Materialovedeniya Pub Date : 2024-02-21 DOI: 10.22349/1994-6716-2023-116-4-89-98

S. A. Tapyev, A. A. Dyakonov, A. A. Okhlopkova, A. P. Vasiliev, S. N. Danilova, N. Lazareva, A. K. Kychkin, A. G. Tuisov, P. V. Vinokurov, A. M. Spiridonov, N. F. Struchkov, E. E. Anisimov

{"title":"Studying the effects of the butadiene rubber and nitrile butadiene rubber ratio on the elastomers properties","authors":"S. A. Tapyev, A. A. Dyakonov, A. A. Okhlopkova, A. P. Vasiliev, S. N. Danilova, N. Lazareva, A. K. Kychkin, A. G. Tuisov, P. V. Vinokurov, A. M. Spiridonov, N. F. Struchkov, E. E. Anisimov","doi":"10.22349/1994-6716-2023-116-4-89-98","DOIUrl":"https://doi.org/10.22349/1994-6716-2023-116-4-89-98","url":null,"abstract":"In this study the influence of the content of SKD-B butadiene rubber and BNKS-18 AMN nitrile rubber in the blend on the properties of the resulting elastomers is investigated. The combination of frost-resistant and aggressive media resistant rubbers in the blend allows to adapt the properties of vulcanizates to the required operating conditions. The research revealed that the level of physical and mechanical properties, aggressive media resistance and frost resistance depend on the ratio of rubbers. The study of properties of elastomers revealed two glass transition temperatures and two thermal transitions at negative temperatures corresponding to nitrilebutadiene and butadiene rubbers. The phase morphology of elastomers, characteristic for butadiene nitrile or butadiene rubbers in dependence on their ratio in the blend, was investigated by electron microscopy. Based on the developed elastomer, dust covers for CV-joints were produced. They were tested in real operating conditions in the temperature range from –52 to 33°C.","PeriodicalId":23679,"journal":{"name":"Voprosy Materialovedeniya","volume":"95 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140443995","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Influence of different types of counterbodies on tribotechnical properties of polytetrafluoroethylene 不同类型的反衬对聚四氟乙烯摩擦技术性能的影响

Voprosy Materialovedeniya Pub Date : 2024-02-21 DOI: 10.22349/1994-6716-2022-116-4-133-143

A. P. Vasiliev, N. Lazareva, A. A. Okhlopkova, T. S. Struchkova, A. G. Alekseev

引用次数: 0

Final assessment of multifactor experiments of heat transfer in the underwater wet welding 水下湿焊传热多因素实验的最终评估

Voprosy Materialovedeniya Pub Date : 2024-02-21 DOI: 10.22349/1994-6716-2023-116-4-193-198

Kiav Min Soe, V. V. Murzin, G. V. German

{"title":"Final assessment of multifactor experiments of heat transfer in the underwater wet welding","authors":"Kiav Min Soe, V. V. Murzin, G. V. German","doi":"10.22349/1994-6716-2023-116-4-193-198","DOIUrl":"https://doi.org/10.22349/1994-6716-2023-116-4-193-198","url":null,"abstract":"The multifactorial nature and interconnection of phenomena occurring during welding, especially under water, are important for deepening knowledge in this area. An analysis of the research carried out and the solutions obtained in the field of underwater wet welding of low-carbon steels shows that in this area, adequate assessments of the effectiveness of various types of welding with comprehensive consideration of the interaction of various physical phenomena, significantly different in nature from each other, have not been obtained. Integrated approaches to the assessment and analysis of heat transfer coefficients from the side of the arc combustion surface and from the opposite side are proposed. For the first time, the potential values were calculated as a change in the values of heat transfer indicators for various welding conditions based on verified experimental data. The ultimate goal of the work is to calculate the cooling rates of the metal of the welded joint, which will subsequently make it possible to predict the mechanical properties of the weld metal and the likelihood of the formation of hardening structures.","PeriodicalId":23679,"journal":{"name":"Voprosy Materialovedeniya","volume":"35 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140444542","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effects of external influencing factors on the microstructure and physico-mechanical characteristics of glass-reinforced polymer composite material based on polyimide binder 外部影响因素对基于聚酰亚胺粘合剂的玻璃纤维增强聚合物复合材料的微观结构和物理机械特性的影响

Voprosy Materialovedeniya Pub Date : 2024-02-21 DOI: 10.22349/1994-6716-2023-116-4-108-118

A. O. Kurnosov, A. V. Slavin, A. G. Gunyaeva, M. A. Kapustianskaia, A. I. Gulyaev

引用次数: 0

Study of the possibility of application of optically transparent epoxy resins for restoration of vitric enamels 研究将光学透明环氧树脂用于搪瓷修复的可能性

Voprosy Materialovedeniya Pub Date : 2024-02-21 DOI: 10.22349/1994-6716-2023-116-4-99-107

S. A. Tyurina, V. S. Karzakova, V. L. Demin, S. L. Chavushyan

引用次数: 0

Study of structure and properties of a new porous composite material obtained by direct laser deposition 通过激光直接沉积获得的新型多孔复合材料的结构和性能研究

Voprosy Materialovedeniya Pub Date : 2024-02-20 DOI: 10.22349/1994-6716-2023-116-4-59-68

A. Gorunov, V. V. Morozov, D. V. Guseva, O. V. Kudimov

引用次数: 0

Influence of lithium on the temperature dependence of heat capacity and thermodynamic functions changes in AK1 alloy based on high-purity aluminum 锂对基于高纯铝的 AK1 合金的热容量和热力学函数变化的温度依赖性的影响

Voprosy Materialovedeniya Pub Date : 2024-02-20 DOI: 10.22349/1994-6716-2023-116-4-42-49

I. N. Ganiev, M. R. Rakhimov, S. Otadzhonov, M. K. Ismoilova, S. Y. Khudoyberdizoda

{"title":"Influence of lithium on the temperature dependence of heat capacity and thermodynamic functions changes in AK1 alloy based on high-purity aluminum","authors":"I. N. Ganiev, M. R. Rakhimov, S. Otadzhonov, M. K. Ismoilova, S. Y. Khudoyberdizoda","doi":"10.22349/1994-6716-2023-116-4-42-49","DOIUrl":"https://doi.org/10.22349/1994-6716-2023-116-4-42-49","url":null,"abstract":"The heat capacity of the AK1 alloy based on high-purity aluminum with lithium was determined in the cooling mode using the known heat capacity of the reference aluminum sample. By means of mathematical processing of cooling rate curves of samples from AK1 alloy with lithium and the reference sample, polynomials describing their cooling rates were obtained. Further, the polynomials of the temperature dependence of the heat capacity of alloys, described by a four-member equation, were established using the experimentally found values of the cooling rates of samples from alloys and the standard, taking into account their mass. Using integrals from specific heat capacity, models of temperature dependence of enthalpy, entropy and Gibbs energy changes were established. It was found that the heat capacity of the alloys increases with rising temperature. The addition of lithium when the temperature is up to 600 K significantly increases the heat capacity, and at temperatures above 600 K lithium in amounts of 0.5 wt. % reduces the heat capacity of the initial alloy AK1. It is shown that lithium addition increases the enthalpy and entropy of the initial AK1 alloy and decreases the Gibbs energy value.","PeriodicalId":23679,"journal":{"name":"Voprosy Materialovedeniya","volume":"82 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140447358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Formation of functional niobium binary fine structures 形成功能性铌二元精细结构

Voprosy Materialovedeniya Pub Date : 2024-02-20 DOI: 10.22349/1994-6716-2023-116-4-69-81

M. A. Tit, O. S. Yulmetova, A. Scherbak, V. D. Andreeva, A. E. Kim

引用次数: 0

Regularities of formation of microstructure and mechanical properties of copper m1 under combined plastic deformation 组合塑性变形下铜 m1 微观结构和机械性能形成的规律性

Voprosy Materialovedeniya Pub Date : 2024-02-20 DOI: 10.22349/1994-6716-2023-116-4-50-58

L. Sennikova, A. Gangalo, G. K. Volkova, E. K. Klimova

引用次数: 0

Effect of hot rolling mode on crys-tallographic texture and mechanical properties of directly quenched bainitic steel 热轧模式对直接淬火贝氏体钢隐晶体金相组织和机械性能的影响

Voprosy Materialovedeniya Pub Date : 2024-02-19 DOI: 10.22349/1994-6716-2023-116-4-20-31

K. Y. Kurteva, E. Yakovleva, M. L. Fedoseev, A. Zisman, E. Khlusova

引用次数: 0