Protsessy lit''ia最新文献

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Improvement of Regulatory and Technical Documentation for Foundry Fabrics 铸造织物法规和技术文件的改进
Protsessy lit''ia Pub Date : 2021-09-01 DOI: 10.15407/plit2021.03.069
К. Sirenko
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引用次数: 3
Calculation of the Kinetics of the Crystallization Front of Iron-Carbon Alloys in Mold Cylindrical Forms 铁碳合金结晶器圆柱形结晶前沿动力学计算
Protsessy lit''ia Pub Date : 2021-06-01 DOI: 10.15407/plit2021.02.023
A. D. Semenov, V. Khrychikov, V. Kutsova, H. Meniailo
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引用次数: 0
Analysis of Metal Systems for Developing Creep-Resistant Aluminum Alloys. A Review. 开发抗蠕变铝合金的金属系统分析。评论。
Protsessy lit''ia Pub Date : 2021-06-01 DOI: 10.15407/plit2021.02.053
M. Voron
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引用次数: 0
Processes of Structure Formation in Large Steel Castins 大型铸钢件的结构形成过程
Protsessy lit''ia Pub Date : 2021-06-01 DOI: 10.15407/plit2021.02.003
A. Narivskyi, A. Nuradinov, V. P. Shkoliarenko, G. Antonov, I. Nuradinov
{"title":"Processes of Structure Formation in Large Steel Castins","authors":"A. Narivskyi, A. Nuradinov, V. P. Shkoliarenko, G. Antonov, I. Nuradinov","doi":"10.15407/plit2021.02.003","DOIUrl":"https://doi.org/10.15407/plit2021.02.003","url":null,"abstract":"","PeriodicalId":52779,"journal":{"name":"Protsessy lit''ia","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48493914","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
Justification of the Choice of the Rational Method of Casting Customs From Deformable Aluminum Alloys 变形铝合金合理铸造海关方法选择的合理性
Protsessy lit''ia Pub Date : 2021-06-01 DOI: 10.15407/plit2021.02.031
O. Nogovitsyn, V. Shkolyarenko, K. Sirenko, O. L. Goncharov, G. Antonov
{"title":"Justification of the Choice of the Rational Method of Casting Customs From Deformable Aluminum Alloys","authors":"O. Nogovitsyn, V. Shkolyarenko, K. Sirenko, O. L. Goncharov, G. Antonov","doi":"10.15407/plit2021.02.031","DOIUrl":"https://doi.org/10.15407/plit2021.02.031","url":null,"abstract":"The purpose of the work is to create scientific bases for the choice of a rational method of casting shells from aluminum alloy type AMg6M. A review of the main methods of casting aluminum alloys. The advantages and disadvantages of the known methods of casting and their influence on the quality of shells made of aluminum alloys are analyzed, as a result of which a rational method of casting shells made of aluminum alloy type AMg6M is proposed. The choice of a rational method of casting shells from deformable aluminum alloys is substantiated on the example of AMG6M type alloy. The rational choice of the method of shell casting depends on the specific requirements for the shell, taking into account the criteria for maximizing technical and minimizing economic indicators. Experimental researches of technology of casting of shells in a mold with check for hot brittleness are carried out and the received results of experiments are analyzed. It was found that the vibration treatment of the mold during casting leads to improved shedding of the mold, compaction of the metal structure, but complicates the separation ability when removing the casting from the mold. Characteristic features of separating coatings for releasing castings from graphite and zirconium molds have been established. It was found that for complete shedding of the mold, pouring aluminum alloy AMg6M in the mold must be carried out with overheating to 740 0C; It is established that to avoid cracks, the internal form must be heated to a temperature not exceeding 500 0 C; It was found that underfillings occur at low temperature of the melt and the mold before pouring or low pour rate. It is established that cracks occur due to high overheating of the melt and prolonged cooling of the casting in the mold. It is determined that shrinkage defects (shells, shrinkage, porosity) occur due to violation of directional hardening and insufficient nutrition of the casting, due to overheating of the mold. Given the prospects and rationality of the technology of casting sealed cylindrical shells from materials of the Al–Mg system (AMg6M) in the mold, this method of casting encourages further research.","PeriodicalId":52779,"journal":{"name":"Protsessy lit''ia","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49668392","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
Three Stages of Formation and Growth of Opportunities for Foundry Production 铸造生产机会形成和增长的三个阶段
Protsessy lit''ia Pub Date : 2021-06-01 DOI: 10.15407/plit2021.02.037
O. Shinsky, V. Doroshenko, A. S. Lysyĭ
{"title":"Three Stages of Formation and Growth of Opportunities for Foundry Production","authors":"O. Shinsky, V. Doroshenko, A. S. Lysyĭ","doi":"10.15407/plit2021.02.037","DOIUrl":"https://doi.org/10.15407/plit2021.02.037","url":null,"abstract":"","PeriodicalId":52779,"journal":{"name":"Protsessy lit''ia","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45792448","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
Study of the Material Quality of Samples Obtained by Selective Laser Melting (SLM) Method from IN718 Alloy Powder. 选择性激光熔化(SLM)法制备IN718合金粉末样品的材料质量研究。
Protsessy lit''ia Pub Date : 2021-06-01 DOI: 10.15407/plit2021.02.012
V. Klochikhin, Jsc Motor Sich, P. A. Kasay, K. Balushok, V. Shilo, V. Naumyk
{"title":"Study of the Material Quality of Samples Obtained by Selective Laser Melting (SLM) Method from IN718 Alloy Powder.","authors":"V. Klochikhin, Jsc Motor Sich, P. A. Kasay, K. Balushok, V. Shilo, V. Naumyk","doi":"10.15407/plit2021.02.012","DOIUrl":"https://doi.org/10.15407/plit2021.02.012","url":null,"abstract":"","PeriodicalId":52779,"journal":{"name":"Protsessy lit''ia","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47072506","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
Features of Calculation of Electromagnetic Parameters of the Induction Crucible Furnace during Steelmaking 感应坩埚炉炼钢电磁参数计算的特点
Protsessy lit''ia Pub Date : 2021-06-01 DOI: 10.15407/plit2021.02.045
К. О. Kostyk, D. Terentyev
{"title":"Features of Calculation of Electromagnetic Parameters of the Induction Crucible Furnace during Steelmaking","authors":"К. О. Kostyk, D. Terentyev","doi":"10.15407/plit2021.02.045","DOIUrl":"https://doi.org/10.15407/plit2021.02.045","url":null,"abstract":"","PeriodicalId":52779,"journal":{"name":"Protsessy lit''ia","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44529902","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
Development of the Market of 3D Technologies in Procurement Production 3D技术在采购生产中的市场开发
Protsessy lit''ia Pub Date : 2021-06-01 DOI: 10.15407/plit2021.02.061
V. Doroshenko
{"title":"Development of the Market of 3D Technologies in Procurement Production","authors":"V. Doroshenko","doi":"10.15407/plit2021.02.061","DOIUrl":"https://doi.org/10.15407/plit2021.02.061","url":null,"abstract":"The digitalisation process is accelerating everywhere as companies around the world invest in technology to help them adapt to new reality. Additive manufacturing, as a digitalization industry, creates products based on digital models. In the foundry industry, the use of 3D technology is known for: milling foundry models and sand molds, scanning castings and foundry equipment, printing foundry models, sand molds and metal castings. In the latter case, 3D printing is a layer-by-layer deposition of the casting according to a program that reproduces the metal product, with the execution of a small casting bath with a melt, which is “moved” along the layer-by-layer deposition. Additive manufacturing (AM) is capable of creating blanks that are often not possible with other manufacturing methods. The fields of application of 3D printers and scanners are very significant today: from mechanical engineering and instrument making, medicine, construction, military industry and electronics to the fashion industry and the fine arts. From the point of view of the materials used, almost everything goes into printing, from metals to polymers: hard and flexible, hard and soft, combustible and non-combustible. The use of products manufactured by AM is available at any stage of production, both when creating a prototype and as a finished product. Interest in AM is growing with the advent of affordable equipment on the market, which makes it possible to economically move from mass to small-scale production, continuous printing, labor savings, reduce the production cycle, save energy, and the ability to meet individual customer needs (customization). This facilitates the transition to an ecosystem-based economic model that achieves high production efficiency compared to a traditional economy model and a platform-based digital model.","PeriodicalId":52779,"journal":{"name":"Protsessy lit''ia","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44538246","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: 1
Mathematical Modeling of the Motion of Convective Flows of the Melt in a Single- Flow Tundish of a Modern Micro-Plant While Providing a Refining Effect 现代微型装置单流中间包熔体对流运动的数学建模,同时提供精炼效果
Protsessy lit''ia Pub Date : 2021-03-01 DOI: 10.15407/PLIT2021.01.019
A. Verzilov, A. Smirnov, S. Semiryagin, A. Semenko, U. A. Smirnov, U. U. Kulish, Scientific, Manufacturing Enterprise Dneproenergostal
{"title":"Mathematical Modeling of the Motion of Convective Flows of the Melt in a Single- Flow Tundish of a Modern Micro-Plant While Providing a Refining Effect","authors":"A. Verzilov, A. Smirnov, S. Semiryagin, A. Semenko, U. A. Smirnov, U. U. Kulish, Scientific, Manufacturing Enterprise Dneproenergostal","doi":"10.15407/PLIT2021.01.019","DOIUrl":"https://doi.org/10.15407/PLIT2021.01.019","url":null,"abstract":"Mathematical modeling solved the problem of modeling the motion of convective flows of the melt in single-flow tundish used in modern metallurgical micro-plants.For comparative evaluation of metal receiver designs from the point of view of the refining effect, an element simulating the motion of non-metallic inclusions was added to the developed model of convective flow in the tundish. The number, size, and density of non-metallic inclusions were set as the initial data. The introduction of non-metallic inclusions in the liquid bath of the tundish was carried out through a protective tube directly into the incoming portions of the metal. The number of non-metallic inclusions was 120 units. The main dimensions of non-metallic inclusions: 25 μm – 30 units, 50 μm – 30 units, 100 μm – 30 units, 150 μm – 30 units. It is established that the maximum refining effect is achieved when using a metal receiver with beveled side walls towards the nearest narrow wall of the tundish and which has no board. Such design features and method of installation provide a rational for the emergence of non-metallic inclusions trajectory of circulating flows. Despite this, the optimal in the opinion of the authors is the design of the metal receiver with beveled side walls in the direction of the nearest narrow wall of the tundish which has a board. It has a second indicator of the efficiency of removal of inclusions at the level of 87.5 %, but the nature of the flow in the tundish when using it is more optimal. This is due to the fact that the flows coming out of the metal of the receiver are partially extinguished by its structural protrusion - the board, which provides less impact on the lining of the nearest narrow wall of the tundish. Also, by reducing the height of the metal board of the receiver to the range of 20 - 30 mm, it is possible to increase the efficiency of removal of non-metallic inclusions by more than 90%. At simultaneous use of the metal receiver and a threshold favorable conditions for the prevailing movement of streams of metal in the top part of a liquid bath are created. Due to this, favorable conditions are provided for the emergence and assimilation of non-metallic inclusions by cover slag. It is found that the preferred location of the threshold is a distance of approximately 1/3 of the distance between the axis of the glass-dispenser and the axis of the jet falling from the steel ladle from the side of the glass-dispenser. With this mutual arrangement of the threshold and the metal receiver, the efficiency of removal of inclusions from the tundish is 97.5 %. This figure is the maximum for all studied options.","PeriodicalId":52779,"journal":{"name":"Protsessy lit''ia","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44534416","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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