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The Cutting of Steels Using Various Methods 用各种方法切割钢
Biuletyn Instytutu Spawalnictwa Pub Date : 2020-06-01 DOI: 10.17729/ebis.2020.3/7
A. Pocica, Dawid Kochanek
{"title":"The Cutting of Steels Using Various Methods","authors":"A. Pocica, Dawid Kochanek","doi":"10.17729/ebis.2020.3/7","DOIUrl":"https://doi.org/10.17729/ebis.2020.3/7","url":null,"abstract":"The article describes tests of steel subjected to cutting with laser, plasma and abrasive waterjet. The research discussed in the article also involved microstructure observation and changes in hardness after cutting are as well as the assessment of surface quality based on measurements of surface parameters.","PeriodicalId":184101,"journal":{"name":"Biuletyn Instytutu Spawalnictwa","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121052561","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
Investigation of Reasons for Damage to a Steel Pipeline Used For the Injection of Formation Waters 注地层水用钢管道损坏原因调查
Biuletyn Instytutu Spawalnictwa Pub Date : 2020-06-01 DOI: 10.17729/ebis.2020.3/3
R. Jachym, P. Gotkowski, J. Gazdowicz
{"title":"Investigation of Reasons for Damage to a Steel Pipeline Used For the Injection of Formation Waters","authors":"R. Jachym, P. Gotkowski, J. Gazdowicz","doi":"10.17729/ebis.2020.3/3","DOIUrl":"https://doi.org/10.17729/ebis.2020.3/3","url":null,"abstract":"The article presents results of the research on the causes of failure of the DN 80 steel pipeline used for injection of formation waters. Based on the research results, it was found that the cause of perforation and subsequent material losses in the DN 80 pipeline wall made of L360NB steel was under deposit corrosion.","PeriodicalId":184101,"journal":{"name":"Biuletyn Instytutu Spawalnictwa","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130972721","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
Mechanical Properties of Joints Made in Steel S1300QL Using Various Welding Methods 不同焊接方法下S1300QL钢接头的力学性能
Biuletyn Instytutu Spawalnictwa Pub Date : 2020-06-01 DOI: 10.17729/ebis.2020.3/1
M. Łomozik
{"title":"Mechanical Properties of Joints Made in Steel S1300QL Using Various Welding Methods","authors":"M. Łomozik","doi":"10.17729/ebis.2020.3/1","DOIUrl":"https://doi.org/10.17729/ebis.2020.3/1","url":null,"abstract":"The article presents applications of high-strength quenched steels in various industrial sectors and the chronological development of various grades of the aforesaid steels. The research-related tests involved flat butt joints made in 7 mm thick steel grade S1300QL, welded using the following methods: TIG, A-TIG, MAG involving the use of a hard flux-cored surfacing wire, MAG method involving the use of a solid wire, T.I.M.E. method involving the use of a solid wire, laser welding method without the use of the filler metal, hybrid (HLAW) method involving the use of a metallic flux-cored wire, electron beam welding without using the filler metal. The research also involved the performance of the mechanical properties of the welded joints made in quenched steel S1300QL using various welding methods. The joints made using the laser welding method, hybrid welding method and the electron beam welding method were characterised by tensile strength higher than the minimum yield point of steel S1300QL, amounting to 1300 MPa. In turn, the tensile strength of the joints made in steel S1300QL using arc welding methods was lower than the minimum yield point of the steel. All of the test joints were subjected to non-destructive digital radiographic tests. The tests concerning the mechanical properties of the joints with respect to various welding methods were subjected to comparative analysis. The research work finished with the formulation of concluding remarks concerning the mechanical properties of the joints.","PeriodicalId":184101,"journal":{"name":"Biuletyn Instytutu Spawalnictwa","volume":"107 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123417063","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: 2
Microstructure of Joints Made in High-Strength Steels Using the Robotic Laser Beam Welding Process 机器人激光焊接高强度钢接头的显微组织
Biuletyn Instytutu Spawalnictwa Pub Date : 2020-06-01 DOI: 10.17729/ebis.2020.3/9
L. Tuz, Krzysztof Sulikowski
{"title":"Microstructure of Joints Made in High-Strength Steels Using the Robotic Laser Beam Welding Process","authors":"L. Tuz, Krzysztof Sulikowski","doi":"10.17729/ebis.2020.3/9","DOIUrl":"https://doi.org/10.17729/ebis.2020.3/9","url":null,"abstract":"The paper presents the evaluation of weldability of unalloyed high strength heat-treated steels using of a laser beam welding robotic station. The key factors and properties affecting the usability of the aforesaid welding technology when welding the above-named steels were identified on the basis of the assessment of the microstructure and the measurements of hardness distribution in the related butt welded joints.","PeriodicalId":184101,"journal":{"name":"Biuletyn Instytutu Spawalnictwa","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129696093","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
Applicability of Laser Welding in the Joining of Cast Elements of the Combustion Engine Manifold and Turbine. Part 2. Laser Welding of the Compensating Capsule with the Collector 激光焊接在内燃机歧管和涡轮铸件连接中的适用性。第2部分。带收集器的补偿胶囊激光焊接
Biuletyn Instytutu Spawalnictwa Pub Date : 2020-06-01 DOI: 10.17729/ebis.2020.3/4
S. Stano, R. Anioł
{"title":"Applicability of Laser Welding in the Joining of Cast Elements of the Combustion Engine Manifold and Turbine. Part 2. Laser Welding of the Compensating Capsule with the Collector","authors":"S. Stano, R. Anioł","doi":"10.17729/ebis.2020.3/4","DOIUrl":"https://doi.org/10.17729/ebis.2020.3/4","url":null,"abstract":"The article presents attempts related to the laser welding of combustion engine manifold and turbine. The study discussed in the article made it possible to identify the potential and limitations connected with the application of laser welding technologies, workmanship accuracy and the positioning of elements to be welded. The study-related tests enabled the assessment of the effect of primary welding parameters on the shape of the weld both in terms of keyhole and melt-in welding processes. The first part of the research-related article discusses results concerning the laser welding of the compensating capsule with the collector","PeriodicalId":184101,"journal":{"name":"Biuletyn Instytutu Spawalnictwa","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125812780","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
Underwater “Wet Welding & Cutting” with NAUTICA Stick Electrodes for Marine and Offshore Applications 水下“湿式焊接和切割”与NAUTICA棒电极的船舶和近海应用
Biuletyn Instytutu Spawalnictwa Pub Date : 2020-06-01 DOI: 10.17729/ebis.2020.3/5
J. Hilkes, J. Tuchtfeld
{"title":"Underwater “Wet Welding & Cutting” with NAUTICA Stick Electrodes for Marine and Offshore Applications","authors":"J. Hilkes, J. Tuchtfeld","doi":"10.17729/ebis.2020.3/5","DOIUrl":"https://doi.org/10.17729/ebis.2020.3/5","url":null,"abstract":"The basics of diving and working under water have been highlighted and explained as such, while these circumstances have also great influence on the welding behavior of the consumables applied. The challenge is in the execution of the welds and repairs. The paper covers the diving, welding and metallurgical aspects of underwater „wet” welding & cutting using covered electrodes based on industrial examples and applications for joining and repair welding. Shielded Metal Arc Welding (SMAW) and covered stick electrodes are a very versatile, flexible, simple and practical welding process, for this reason often used for underwater maintenance and repairs.","PeriodicalId":184101,"journal":{"name":"Biuletyn Instytutu Spawalnictwa","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131144485","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
New method of calculating the amount of heat input to the weld 计算焊缝输入热量的新方法
Biuletyn Instytutu Spawalnictwa Pub Date : 2020-06-01 DOI: 10.17729/ebis.2020.3/2
J. Winczek, K. Wojsyk
{"title":"New method of calculating the amount of heat input to the weld","authors":"J. Winczek, K. Wojsyk","doi":"10.17729/ebis.2020.3/2","DOIUrl":"https://doi.org/10.17729/ebis.2020.3/2","url":null,"abstract":"A new method of calculating the amount of heat introduced into the welded joint is presented. Instead of the previously used measure of heat input per unit length, heat input per unit volume was proposed. The proposed method and general formula are based on the basic technological parameters of the welding process (i.e. energy generated by the electric arc and welding speed) and the cross-sectional area of the fusion zone in the welded joint. A simplified method of calculating heat input per unit volume is presented by using simple formulas to calculate the surface area of the fusion zone in cross-section of the weld for the most common shapes in classic welding methods. The proposed general formula allows for a more accurate way of calculating the heat input per unit of volume depending on the the energy generated by the electric arc (e.g. for pulse current) and the surface area of the reinforcement and fusion zone using other direct measurement methods.","PeriodicalId":184101,"journal":{"name":"Biuletyn Instytutu Spawalnictwa","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134017852","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
Friction Stir Welding of Aluminium Using Probes of Various Geometry 用不同几何形状的探针进行铝搅拌摩擦焊接
Biuletyn Instytutu Spawalnictwa Pub Date : 2020-04-01 DOI: 10.17729/ebis.2020.2/10
Dariusz Andrzejewski, B. Werakso
{"title":"Friction Stir Welding of Aluminium Using Probes of Various Geometry","authors":"Dariusz Andrzejewski, B. Werakso","doi":"10.17729/ebis.2020.2/10","DOIUrl":"https://doi.org/10.17729/ebis.2020.2/10","url":null,"abstract":"The article presents tests related to mechanisms accompanying the formation of friction welds made using variously shaped probes for aluminium sheets. In addition, the article discusses the effect of applied FSW technology parameters on the quality, form and repeatability joints. The tests included the microscopic analysis of structures formed when making aluminium joints using a rotating probe.","PeriodicalId":184101,"journal":{"name":"Biuletyn Instytutu Spawalnictwa","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121788821","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
Operational Problems in Welded Joints of Flow Sensors Used in Power Engineering 电力工程中流量传感器焊接接头的操作问题
Biuletyn Instytutu Spawalnictwa Pub Date : 2020-04-01 DOI: 10.17729/ebis.2020.2/7
J. Pospolita, D. Rozumek, J. Polak, S. Stano
{"title":"Operational Problems in Welded Joints of Flow Sensors Used in Power Engineering","authors":"J. Pospolita, D. Rozumek, J. Polak, S. Stano","doi":"10.17729/ebis.2020.2/7","DOIUrl":"https://doi.org/10.17729/ebis.2020.2/7","url":null,"abstract":"The paper presents operational problems present in fluid and gas flow measurement systems. Tests (involving laser welded tubes made using a focused and a defocused beam) were concerned with the quality of welded joints. The tests revealed that the use of the focused beam resulted in the formation of cracks in the welds. In addition, post-weld observations revealed undercuts on the weld face side, responsible for the thinning of the tubes, yet without compromising their service life.","PeriodicalId":184101,"journal":{"name":"Biuletyn Instytutu Spawalnictwa","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125807539","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
The Effect of Heat Treatment on the Structure and Hardness of Welded Joints in Steel 7CrMoVTiB10-10 热处理对7CrMoVTiB10-10钢焊接接头组织和硬度的影响
Biuletyn Instytutu Spawalnictwa Pub Date : 2020-04-01 DOI: 10.17729/ebis.2020.2/4
A. Rzeźnikiewicz, Mateusz Żołnierek
{"title":"The Effect of Heat Treatment on the Structure and Hardness of Welded Joints in Steel 7CrMoVTiB10-10","authors":"A. Rzeźnikiewicz, Mateusz Żołnierek","doi":"10.17729/ebis.2020.2/4","DOIUrl":"https://doi.org/10.17729/ebis.2020.2/4","url":null,"abstract":"The article presents results of tests concerning the effect of heat treatment on the structure and hardness of submerged arc welded joints made in steel 7CrMoVTiB10-10 (T24). The tests revealed that the welds made of steel 7CrMoVTiB10-10 required post-weld heat treatment at a temperature 750°C. The heat treatment was performed in order to protect welded structures from cracking during transport and operation as well as to prevent the development of secondary hardness.","PeriodicalId":184101,"journal":{"name":"Biuletyn Instytutu Spawalnictwa","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131725923","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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