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Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY)最新文献

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Modern russian equipment for No‑Bake processes 用于免烘烤工艺的现代化俄罗斯设备
Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY) Pub Date : 2024-06-11 DOI: 10.21122/1683-6065-2024-2-23-28
Yu. N. Muravyov, A. V. Treshalin
{"title":"Modern russian equipment for No‑Bake processes","authors":"Yu. N. Muravyov, A. V. Treshalin","doi":"10.21122/1683-6065-2024-2-23-28","DOIUrl":"https://doi.org/10.21122/1683-6065-2024-2-23-28","url":null,"abstract":"The article demonstrates the increasing trend of implementing the CHM technology in Russian foundries, highlighting the advantages of this technology and the equipment utilized. An analysis of the current market situation for foundry equipment supply is conducted, along with examples of modern Russian equipment produced by Rodonit company (St. Petersburg).","PeriodicalId":278844,"journal":{"name":"Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY)","volume":"19 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141356504","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
Energy calculation aerodynamic sound impact on the atoms of the crystal lattice 空气动力声对晶格原子影响的能量计算
Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY) Pub Date : 2024-06-11 DOI: 10.21122/1683-6065-2024-2-170-172
A. O. Ulitenok
{"title":"Energy calculation aerodynamic sound impact on the atoms of the crystal lattice","authors":"A. O. Ulitenok","doi":"10.21122/1683-6065-2024-2-170-172","DOIUrl":"https://doi.org/10.21122/1683-6065-2024-2-170-172","url":null,"abstract":"<jats:p>.</jats:p>","PeriodicalId":278844,"journal":{"name":"Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY)","volume":"10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141355877","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
On the thermodynamic equilibrium of thermal casting processes 论热铸造过程的热力学平衡
Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY) Pub Date : 2024-06-11 DOI: 10.21122/1683-6065-2024-2-12-16
E. I. Marukovich, V. Stetsenko, A. Stetsenko
{"title":"On the thermodynamic equilibrium of thermal casting processes","authors":"E. I. Marukovich, V. Stetsenko, A. Stetsenko","doi":"10.21122/1683-6065-2024-2-12-16","DOIUrl":"https://doi.org/10.21122/1683-6065-2024-2-12-16","url":null,"abstract":"Based on thermodynamic calculations, it is shown that heating and cooling of metals and alloys are reversible, equilibrium processes. Based on thermodynamic calculations, it is shown that melting and crystallization of metals and alloys are also reversible, equilibrium processes. With an increase in the cooling rate of the metal, the temperature of its equilibrium crystallization decreases. At a high rate of metal cooling, a short‑term initial process of nonequilibrium crystallization is observed, which quickly passes into the main stage of equilibrium crystallization.","PeriodicalId":278844,"journal":{"name":"Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY)","volume":"67 8","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141358389","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
Adaptation of fire safety norms at an enterprise 调整企业的消防安全规范
Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY) Pub Date : 2024-06-11 DOI: 10.21122/1683-6065-2024-2-154-137
I. N. Ushakova, A. L. Svistun
{"title":"Adaptation of fire safety norms at an enterprise","authors":"I. N. Ushakova, A. L. Svistun","doi":"10.21122/1683-6065-2024-2-154-137","DOIUrl":"https://doi.org/10.21122/1683-6065-2024-2-154-137","url":null,"abstract":"Safe operation of enterprises in the metallurgical and foundry industries largely depends on ensuring fire safety. Therefore, at enterprises, the adaptation of fire safety norms is of great importance. Categorization of premises and buildings according to explosion and fire hazards is carried out. The article provides an example of calculating the categorization of a room where there is no release of radiant heat, sparks, and flames – a garage for storing vehicles. This facility can be located in the same room or building as foundry and metallurgical shops.","PeriodicalId":278844,"journal":{"name":"Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY)","volume":"40 26","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141355530","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
Processes occurring during the synthesis of wollastonite‑containing refractory used in non‑ferrous metallurgy 有色金属冶金中使用的含硅灰石耐火材料的合成过程
Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY) Pub Date : 2024-06-11 DOI: 10.21122/1683-6065-2024-2-44-48
E. Dyatlova, F. I. Panteleenko, R. J. Popov, A. N. Shimanskaya, I. V. Kavrus, A. S. Samsonova, O. M. Diakonov
{"title":"Processes occurring during the synthesis of wollastonite‑containing refractory used in non‑ferrous metallurgy","authors":"E. Dyatlova, F. I. Panteleenko, R. J. Popov, A. N. Shimanskaya, I. V. Kavrus, A. S. Samsonova, O. M. Diakonov","doi":"10.21122/1683-6065-2024-2-44-48","DOIUrl":"https://doi.org/10.21122/1683-6065-2024-2-44-48","url":null,"abstract":"This article presents the results of research on the processes occurring during the synthesis of wollastonite‑containing ceramics obtained from various clay components. The peculiarities of crystalline phase formation in the material are described. The obtained information lays the foundation for the organization of ceramic production that is in demand in the metallurgical industry.","PeriodicalId":278844,"journal":{"name":"Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY)","volume":"24 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141357381","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
Analysis of occupational injuries among workers in foundry workshops 铸造车间工人的工伤分析
Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY) Pub Date : 2024-06-11 DOI: 10.21122/1683-6065-2024-2-146-153
A. М. Lazarenkov, I. A. Ivanov, M. A. Sadokha, A. A. Novik
{"title":"Analysis of occupational injuries among workers in foundry workshops","authors":"A. М. Lazarenkov, I. A. Ivanov, M. A. Sadokha, A. A. Novik","doi":"10.21122/1683-6065-2024-2-146-153","DOIUrl":"https://doi.org/10.21122/1683-6065-2024-2-146-153","url":null,"abstract":"The results of the analysis of occupational injuries among workers in foundry workshops with different types of production are presented. It is shown that the highest number of accidents by location occurs in the fettling‑cleaning, molding, and meltingpouring areas of foundry workshops, and the most hazardous professions are those of fettler, molder, melter, pourer, and repair fitter. An analysis of the causes of injuries in foundry workshops showed that about 76 % of cases occur due to organizational reasons, about 16 % due to technical reasons, about 6 % due to sanitary‑hygienic reasons, and about 2 % due to psychophysiological reasons. The possibility of predicting injury rates among workers in foundry workshops is demonstrated.","PeriodicalId":278844,"journal":{"name":"Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY)","volume":"124 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141360685","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
Prospects of coating application for improving surface properties of cast composite materials 应用涂料改善铸造复合材料表面性能的前景
Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY) Pub Date : 2024-06-11 DOI: 10.21122/1683-6065-2024-2-63-71
S. A. Matsinov, V. A. Kalinichenko, A. A. Andrushevich
{"title":"Prospects of coating application for improving surface properties of cast composite materials","authors":"S. A. Matsinov, V. A. Kalinichenko, A. A. Andrushevich","doi":"10.21122/1683-6065-2024-2-63-71","DOIUrl":"https://doi.org/10.21122/1683-6065-2024-2-63-71","url":null,"abstract":"Foundry production is a versatile industry that allows the production of products of almost any configuration and geometric dimensions. These products can be made from materials based on various metals and alloys, bimetallics, and composite materials. The obtained products can have uniform or gradient properties. However, to obtain a product with significantly different properties on the surface and in the volume from the casting, it is expedient to apply coatings with desired properties on the castings that complement the properties, allowing the improvement of coating performance. The paper focuses on the production of cast composite materials with improved surface properties. Various types of coatings based on high‑entropy alloys, cermets, polymers, carbon nanotubes, capable of enhancing the properties of cast composite materials, are considered. The classification and peculiarities of applying these coatings on the surface of composite materials are presented. The prospects of using these coatings to improve the properties of cast composite materials are shown.","PeriodicalId":278844,"journal":{"name":"Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY)","volume":"37 20","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141357098","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
Determining the degree of atmospheric emissions impact generated during the paint and varnish products use in machine‑ building production 确定油漆和清漆产品在机械制造过程中对大气排放的影响程度
Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY) Pub Date : 2024-06-11 DOI: 10.21122/1683-6065-2024-2-158-166
A. S. Panasyugin, S. V. Martseva, N. P. Masherova
{"title":"Determining the degree of atmospheric emissions impact generated during the paint and varnish products use in machine‑ building production","authors":"A. S. Panasyugin, S. V. Martseva, N. P. Masherova","doi":"10.21122/1683-6065-2024-2-158-166","DOIUrl":"https://doi.org/10.21122/1683-6065-2024-2-158-166","url":null,"abstract":"An analysis of the formation of organic solvent vapors, represented by white spirit, ketones, alcohols, benzene derivatives, 1,4‑dioxane, ethyl cellosolve, and paint aerosol, was conducted. The substances belong to the 3rd and 4th hazard classes. In the production process, the base paint Uno HD, Diamont R‑M BASF P+E paint, Standoflex 2k autolak topcoat, and Standox fine 1k‑body single‑component putty‑pore filler were used. The consumption of materials was 6.3, 2.7, 1.8, and 3.7 tons/year, respectively. In calculating the paint aerosol emissions, the efficiency of the treatment facilities was assumed to be 52 %. The environmental tax amounted to 2,619.93 rubles.","PeriodicalId":278844,"journal":{"name":"Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY)","volume":"14 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141355984","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
Manufacturing of die blanks from hard alloy granulated mixture and influence of chemical composition of the mixture on technological properties of hard alloy die blanks 用硬质合金颗粒混合物制造模坯以及混合物的化学成分对硬质合金模坯技术性能的影响
Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY) Pub Date : 2024-06-11 DOI: 10.21122/1683-6065-2024-2-49-53
O. Y. Khodosovskaya, L. V. Ovsyanikova, I. V. Gapeenko
{"title":"Manufacturing of die blanks from hard alloy granulated mixture and influence of chemical composition of the mixture on technological properties of hard alloy die blanks","authors":"O. Y. Khodosovskaya, L. V. Ovsyanikova, I. V. Gapeenko","doi":"10.21122/1683-6065-2024-2-49-53","DOIUrl":"https://doi.org/10.21122/1683-6065-2024-2-49-53","url":null,"abstract":"The technology of manufacturing dies from a hard alloy granulated mixture includes the following operations: preparation of raw materials, forming of blanks, and subsequent sintering. The preparation of hard alloy mixtures consisting of carbide powders and binder metals is one of the main operations in the production of hard alloys. The properties of the resulting alloys largely depend on the conditions of performing this operation. All operations are interconnected, and any change in technological parameters can lead to a change in the formation of the final material structure and, consequently, its properties. This article discusses the technology of manufacturing and the production process of die blanks from a hard alloy granulated mixture. The results of laboratory studies of the hard alloy mixture, the manufacture, and production tests of die blanks are described.","PeriodicalId":278844,"journal":{"name":"Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY)","volume":"1 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141357056","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
Thermodynamics of the substantial universe 实质性宇宙的热力学
Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY) Pub Date : 2024-06-11 DOI: 10.21122/1683-6065-2024-2-167-169
V. Stetsenko
{"title":"Thermodynamics of the substantial universe","authors":"V. Stetsenko","doi":"10.21122/1683-6065-2024-2-167-169","DOIUrl":"https://doi.org/10.21122/1683-6065-2024-2-167-169","url":null,"abstract":"Based on thermodynamic calculations of the substantial Universe, it is shown that the cosmological theory of the Big Bang is erroneous. The thermodynamic ban on this theory makes the hypothesis of dark energy expanding the substantial Universe also erroneous. It is shown that the substantial Universe is a thermodynamically equilibrium system. Therefore, the substantial Universe cannot disintegrate, losing its structure, cannot shrink to a point, cannot disappear into a black hole. The equilibrium substantial Universe exists forever, preserving its enthalpy, entropy, mass and temperature. The main reason for the redshift of spectral lines of light from distant stars and galaxies is not the expansion of the substantial Universe, but its clouds of gas and dust, which reduce the energy of photons.","PeriodicalId":278844,"journal":{"name":"Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY)","volume":"33 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141358907","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
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