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Journal articles on the topic 'Weldox'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 February 2022

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1

Hu, Min. "Study on Welding Technology of Low Alloy High Strength Steel." Key Engineering Materials 814 (July 2019): 242–47. http://dx.doi.org/10.4028/www.scientific.net/kem.814.242.

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WELDOX series steels are commonly used structural steels. The effects of welding voltage, welding current and arc height on penetration and weld width of WELDOX960 steel sheet were studied. The mechanical properties and microstructure of WELDOX960E high strength steel welded joints were study by tensile, bending, impact, hardness and metallographic analysis.

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2

Błacha, S., M. S. Węglowski, S. Dymek, and M. Kopyściański. "Microstructural and Mechanical Characterization of Electron Beam Welded Joints of High Strength S960QL and Weldox 1300 Steel Grades." Archives of Metallurgy and Materials 62, no. 2 (2017): 627–34. http://dx.doi.org/10.1515/amm-2017-0092.

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Abstract The paper shows the results of metallographic examination and mechanical properties of electron beam welded joints of quenched and tempered S960QL and Weldox 1300 steel grades. The aim of this study was to examine the feasibility of producing good quality electron beam welded joints without filler material. Metallographic examination revealed that the concentrated electron beam significantly affects the changes of microstructure in the weld and the adjacent heat affected zone (HAZ) in both steel grades. The microstructure of the welded joints is not homogeneous. The four zones, depend

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3

Zeman, Marian. "Properties of welded joints made of Weldox 1100 steel." Welding International 23, no. 2 (2009): 83–90. http://dx.doi.org/10.1080/09507110802349155.

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4

Węglowski, Marek Stanislaw, Marian Zeman, and Miroslaw Lomozik. "Physical Simulation of Weldability of Weldox 1300 Steel." Materials Science Forum 762 (July 2013): 551–55. http://dx.doi.org/10.4028/www.scientific.net/msf.762.551.

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In the present study, the investigation of weldability of new ultra-high strength - Weldox 1300 steel has been presented. The thermal simulated samples were used to investigate the effect of welding cooling time t8/5 on the microstructure and mechanical properties of the heat affected zone (HAZ). In the frame of these investigation the microstructure was studied by the light (LM) and transmission electron microscopies (TEM). It has been shown that the microstructure of the Weldox 1300 steel is composed of tempered martensite, and inside the laths the minor precipitations mainly V(CN) and molyb

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5

Lukácsa, János, and Haidar Mobarkb. "Mismatch effect on fatigue crack propagation limit curves of S690QL, S960QL and S960TM type base materials and their gas metal arc welded joints." Zavarivanje i zavarene konstrukcije 65, no. 2 (2020): 75–86. http://dx.doi.org/10.5937/zzk2002075l.

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Nowadays, one of the basic trends in the industry is the environmental impact reduction, in other words the weight decreasing of structural elements and structures, which can be approached by applying different high strength steels. In case of different steel structures, the main manufacturing and joining technology is the welding, the conventional and advanced methods of fusion and pressure welding processes. Beside the weight decreasing, the reliability and safety requirements according to steel structures have significant grown. During the welding process, the welded parts are affected with

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6

Dobosy, Ádám, and János Lukács. "The Effect of the Filler Material Choice on the High Cycle Fatigue Resistance of High Strength Steel Welded Joints." Materials Science Forum 885 (February 2017): 111–16. http://dx.doi.org/10.4028/www.scientific.net/msf.885.111.

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The objective of this article is to present the newest results of our research work. In order to determination and comparison of the fatigue resistance, high cycle fatigue tests (HCF) were performed both on SSAB WELDOX 700E (S690QL) quenched and tempered and VOESTALPINE ALFORM 960M (S960TM) thermomechanical high strength steels. Welded joints were made from these base materials, using gas metal arc welding (GMAW, MIG/MAG) with matching filler material. In the article, the performance of the welding experiments will be presented, especially with the difficulties of the filler material selection

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7

Zivkovic, Aleksandar, Vladimir Milanovic, and Vukic Lazic. "Increased productivity welding of steel WELDOX 700." Zavarivanje i zavarene konstrukcije 60, no. 2 (2015): 53–60. http://dx.doi.org/10.5937/zzk1502053z.

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8

Sonander, C. "Ermüdung von geschweißten Kreuzstößen aus WELDOX 1100." Stahlbau 69, no. 4 (2000): 317–22. http://dx.doi.org/10.1002/stab.200000930.

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9

Li, Wen Juan. "New Low Alloy High Strength Steel Welding Procedure Evaluation." Key Engineering Materials 814 (July 2019): 238–41. http://dx.doi.org/10.4028/www.scientific.net/kem.814.238.

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In order to determine the weldability of a new type of low alloy high strength steel, the feasibility of the proposed welding process was examined and the welding procedure qualification of a new type of ultrahigh strength steel WELDOX 1100 was carried out through the weldability test of the welded joint, the small iron research and the highest hardness test. . The test result satisfies the specification requirements and proves that the proposed welding process plan is correct and feasible. It provides a reliable basis for the preparation of welding process documents and ensures the smooth dev

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10

Wang, Zhiling. "Effect of Strength Matching on Mechanical Properties of WELDOX 960 Steel Welded Joint." IOP Conference Series: Materials Science and Engineering 248 (October 2017): 012018. http://dx.doi.org/10.1088/1757-899x/248/1/012018.

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11

Kubicek, Jaroslav, Milan Smak, Kamil Podany, and Libor Mrna. "WELDED JOINT OF HIGH-STRENGTH STEELS WELDOX 700 AND COMMON GRADE STEEL S 355." MM Science Journal 2016, no. 05 (2016): 1398–401. http://dx.doi.org/10.17973/mmsj.2016_11_2016130.

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12

Özorak, Cihan, Faik Okay, Ebru Özorak, and Serkan Islak. "Wear and microstructural properties of coatings on Weldox 700 steel." Materials Testing 62, no. 6 (2020): 645–51. http://dx.doi.org/10.3139/120.111526.

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13

Solberg, J. K., J. R. Leinum, J. D. Embury, S. Dey, T. Børvik, and O. S. Hopperstad. "Localised shear banding in Weldox steel plates impacted by projectiles." Mechanics of Materials 39, no. 9 (2007): 865–80. http://dx.doi.org/10.1016/j.mechmat.2007.03.002.

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14

Jethabhai, Vadhel Ajay, and Jignesh Patel. "Parametric Analysis of CO2 Laser for Quality of Weldox- 700 Material." International Journal of Science and Engineering Applications 4, no. 3 (2015): 79–85. http://dx.doi.org/10.7753/ijsea0403.1001.

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15

Bisyk, Serhii, Andriy Shirokov, Oleksiy Slyvinskyy, and Oleg Aristarkxov. "NUMERICAL MODELING OF IMPACT TOUGHNESS DETERMINATION OF WELDOX 460-E STEEL." Bulletin of the National Technical University «KhPI» Series: Engineering and CAD, no. 7(1332) (October 9, 2019): 13–17. http://dx.doi.org/10.20998/2079-0775.2019.7.03.

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16

St. Węglowski, M., and M. Zeman. "Prevention of cold cracking in ultra-high strength steel Weldox 1300." Archives of Civil and Mechanical Engineering 14, no. 3 (2014): 417–24. http://dx.doi.org/10.1016/j.acme.2013.10.010.

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17

Blatnická, Mária, Milan Sága, Peter Kopas, and Marián Handrik. "Numerical simulation and experimental verification of torsion fatigue tests for material Weldox." Transportation Research Procedia 40 (2019): 631–38. http://dx.doi.org/10.1016/j.trpro.2019.07.090.

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18

Zeman, Marian. "Assessment of weldability of WELDOX 1100 high-strength quenched and tempered steel." Welding International 23, no. 2 (2009): 73–82. http://dx.doi.org/10.1080/09507110802349122.

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19

Xiao, Yihua, Huanghuang Dong, Haifei Zhan, and Aihua Zhu. "Numerical study on the perforation of steel plates by multiple projectiles." Engineering Computations 35, no. 7 (2018): 2629–51. http://dx.doi.org/10.1108/ec-03-2018-0107.

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Purpose Metal plates are usually used as protective shields of engineering structures, which probably undergo multiple projectile impacts resulting from gunshot and blast. Though a large number of studies have been conducted on the performance of metal plates under a single projectile impact, few studies have explored their performance under multiple projectile impacts. This paper aims to explore the performance of Weldox 460 E steel plates against multiple projectile impacts through numerical simulation. Design/methodology/approach A three-dimensional coupled finite element (FE) and smoothed

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20

Sun, Wei Hai, Gui Ling Ju, and Ban Quan Yang. "Numerical Simulations of the Perforation in Metal Plates with Different Conical-Nosed Projectiles." Applied Mechanics and Materials 518 (February 2014): 47–52. http://dx.doi.org/10.4028/www.scientific.net/amm.518.47.

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Numerical simulations with ABAQUS/Explicit into which Johnson-Cook constitutive relation is incorporated, are performed to study the perforation of Weldox 460E steel plates struck normally by conical-nosed projectiles with different cone angles. Different failure modes and perforation process are obtained. Numerical results are found to be in good agreement with available test data. It is revealed that with increasing cone angle, the failure modes of metal plates become to shear plugging from ductile hole enlargement, and the ballistic limits decrease with that. The conclusions are helpful for

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21

Pesch, Beate, Martin Lehnert, Tobias Weiss, et al. "Exposure to hexavalent chromium in welders: Results of the WELDOX II field study." Annals of Work Exposures and Health 62, no. 3 (2018): 351–61. http://dx.doi.org/10.1093/annweh/wxy004.

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22

Børvik, Tore, Odd Sture Hopperstad, Magnus Langseth, and Kjell Arne Malo. "Effect of target thickness in blunt projectile penetration of Weldox 460 E steel plates." International Journal of Impact Engineering 28, no. 4 (2003): 413–64. http://dx.doi.org/10.1016/s0734-743x(02)00072-6.

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23

Knobloch, J., M. Lehnert, S. Yanik, et al. "Modulation der T-Zell- und Monozytenaktivität durch Schweißrauchexposition – Daten aus der Weldox II Studie." Pneumologie 72, S 01 (2018): S5. http://dx.doi.org/10.1055/s-0037-1619128.

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24

Sun, Wei Hai, Gui Ling Ju, Xiao Tian Huang, and Jing Wen Pan. "Numerical Simulations of Projectile Nose Angle Effect in Ballistic Perforation of Double-Layered Steel Plates." Materials Science Forum 953 (May 2019): 15–20. http://dx.doi.org/10.4028/www.scientific.net/msf.953.15.

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The purpose of this paper is to study the ballistic perforation resistance of double-layered steel plates subjected to impact by conical projectiles with different nose angles. Based on nonlinear finite element theory, different rigid projectiles vertically penetrating into double-layered Weldox 460E steel plates are simulated with LS-DYNA code. The configurations in the penetration process and failure modes of steel plates are given. The results of monolithic and layered targets are studied and compared for projectiles with different nose angles. It is revealed that compared to the monolithic

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25

Al-Rifaie, Hasan, Robert Studziński, Tomasz Gajewski, Michał Malendowski, Wojciech Sumelka, and Piotr W. Sielicki. "A New Blast Absorbing Sandwich Panel with Unconnected Corrugated Layers—Numerical Study." Energies 14, no. 1 (2021): 214. http://dx.doi.org/10.3390/en14010214.

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The need for more effective defence systems is of critical importance because of the rising risk of explosive attacks. Sandwich panels are used as plastically deforming sacrificial structures, absorbing blast wave energy. To the authors’ knowledge, the blast behaviour of sandwich panels with connected (welded/bolted/riveted) corrugated layers has been well covered in literature. Hence, the aim of this numerical study was to develop new, easy-to-build, non-expensive, graded sandwich panel with ‘unconnected’ corrugated layers that can be used as a multipurpose sacrificial protective structure ag

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26

Niagaj, Jerzy. "Influence of Activated Fluxes on the Bead Shape of A-TIG Welds on Carbon and Low-Alloy Steels in Comparison with Stainless Steel AISI 304L." Metals 11, no. 4 (2021): 530. http://dx.doi.org/10.3390/met11040530.

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The article presents results of comparative A-TIG welding tests involving selected unalloyed and fine-grained steels, as well as high-strength steel WELDOX 1300 and austenitic stainless steel AISI 304L. The tests involved the use of single ingredient activated fluxes (Cr2O3, TiO2, SiO2, Fe2O3, NaF, and AlF3). In cases of carbon and low-alloy steels, the tests revealed that the greatest increase in penetration depth was observed in the steels which had been well deoxidized and purified during their production in steelworks. The tests revealed that among the activated fluxes, the TiO2 and SiO2 o

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27

Zhang, Jun Ping, Yi Feng, Lei Feng Song, Guang Yao Wang, and Qing Sheng Jin. "Research on Resistance Spot Welding Property of Hot-Stamping Quenched Steel Sheets." Advanced Materials Research 1063 (December 2014): 120–25. http://dx.doi.org/10.4028/www.scientific.net/amr.1063.120.

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22MnMoB hot-stamping quenched steel sheets were well welded together by power frequency spot welder with optimization of relevant welding parameters in this paper. According to the experiment results of welding spatter, maximum shearing force and the size of nugget, the effects of welding current, welding time and electrode pressure on weld property were advanced. The results show that while welding current, welding time and electrode pressure are respectively set as 6.0~6.5kA, 0.5~0.7s and 4~7kN, the weld exhibits good mechanical property. The nugget diameter appears approximate linear relati

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28

Børvik, Tore, John Rasmus Leinum, Jan Ketil Solberg, Odd Sture Hopperstad, and Magnus Langseth. "Observations on shear plug formation in Weldox 460 E steel plates impacted by blunt-nosed projectiles." International Journal of Impact Engineering 25, no. 6 (2001): 553–72. http://dx.doi.org/10.1016/s0734-743x(00)00069-5.

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29

Liu, Qi-Qing, Shi-Ping Wang, Xin Lin, Pu Cui, and Shuai Zhang. "Numerical simulation on the anti-penetration performance of polyurea-core Weldox 460 E steel sandwich plates." Composite Structures 236 (March 2020): 111852. http://dx.doi.org/10.1016/j.compstruct.2019.111852.

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30

Hattingh, D. G., Dreyer Bernard, L. G. von Wielligh, and M. Neil James. "The Influence of Plate Gap on the Fatigue Properties of Friction Stir Welded AA5182-H111 and a Comparison with MIG Welding." Advanced Materials Research 1019 (October 2014): 112–19. http://dx.doi.org/10.4028/www.scientific.net/amr.1019.112.

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In industrial applications tight control during weld set-up equates to increased manufacturing cost. Solid state welding processes, particularly friction sir welding, do not generally make use of filler metals and hence a weld gap will have an influence on joint quality. In the current study the influence of a weld gap of 20% of the plate thickness (i.e. 1mm) in friction stir welded (FSW) joints was compared dynamically to welds made without a gap. These results were benchmarked against samples joined through MIG welding, a widely used method to join aluminium plates in industry. Tests reveale

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31

Gupta, P. K., M. A. Iqbal, G. Tiwari, and N. K. Gupta. "Effect of Configuration and Target Span on the Ballistic Resistance." Key Engineering Materials 535-536 (January 2013): 52–55. http://dx.doi.org/10.4028/www.scientific.net/kem.535-536.52.

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Numerical simulations were carried out wherein 20 mm diameter conical nosed projectiles were hit on Weldox 460 E steel targets of varying span and configuration in order to study the influence on the ballistic limit. The effect of configuration was studied with 12 mm thick monolithic and double layered in contact target (2 × 6 mm) of 500 mm span diameter whereas the influence of target span was investigated by varying the diameter of 12 mm thick monolithic target as 100, 200, 300, 400 and 500 mm. The monolithic targets were found to offer higher ballistic limit than that of the layered in-cont

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32

Guzanová, A., J. Brezinová, J. Viňáš, and J. Koncz. "Determination corrosion rate of welded joints realised by MAG technology." Koroze a ochrana materialu 61, no. 1 (2017): 19–24. http://dx.doi.org/10.1515/kom-2017-0002.

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Abstract The paper deals with evaluation the corrosion characteristics of welded joints in two corrosion environments – SARS and 0.1 M NaCl solution. Welds were made by MAG technology using three protective gas mixtures - Ferroline He20C8, Ferroline C18 and Ferroline C6X1. There were realised chemical analysis of the base material and weld metal of all welded joints, Vickers hardness test of the base material, heat affected zones and weld metals, metallographic analysis of all areas of welds and measurement of base and weld metal corrosion rate in two corrosion environments. Hardness increases

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33

Lotz, Anne, Beate Pesch, Swaantje Casjens, et al. "Association of exposure to manganese and fine motor skills in welders - Results from the WELDOX II study." NeuroToxicology 82 (January 2021): 137–45. http://dx.doi.org/10.1016/j.neuro.2020.12.003.

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34

Konjatić, Pejo, Dražan Kozak, and Nenad Gubeljak. "The Influence of the Weld Width on Fracture Behaviour of the Heterogeneous Welded Joint." Key Engineering Materials 488-489 (September 2011): 367–70. http://dx.doi.org/10.4028/www.scientific.net/kem.488-489.367.

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Since welded constructions are widely used in engineering, a certain flaws in welded joints may occur either in process of welding or in exploitation period. Easiest way to prolong working life of such welded construction is to repair welded joint to eliminate possibility of construction failure. Process of repair welding usually gives heterogeneous welded joints because during process of repair additional material is introduced into welded joint, resulting in heterogeneity from the presence of materials in welded joint point of view. Such difference in materials usually results in yield stren

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35

Sukawet, Supachai, and Prapas Muangjunburee. "Microstructure and Mechanical Properties of Welding Repair of 5083 Aluminum Alloy." Key Engineering Materials 658 (July 2015): 151–55. http://dx.doi.org/10.4028/www.scientific.net/kem.658.151.

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The repair welding of aluminum alloy 5083 was studied using Gas Metal Arc welding (GMAW) process. The effect of heat cycles from welding was investigated in some details. Butt joints of 6 mm and 3 mm thick were welded with 5356 filler metal. Then weld was removed by grinding and repeatedly welded again for 2 times. After each repair weld, the weld was assessed by macrostructure, microstructure and mechanical tests. The results revealed porosities of all weld samples. The repair welds indicated lower tensile strength compared with the new welds. In addition, all tensile strengths were much lowe

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36

Vorkov, Vitalii, Richard Aerens, Dirk Vandepitte, and Joost R. Duflou. "The Multi-Breakage Phenomenon in Air Bending Process." Key Engineering Materials 611-612 (May 2014): 1047–53. http://dx.doi.org/10.4028/www.scientific.net/kem.611-612.1047.

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In this work, the multi-breakage effect has been studied by means of an experimental campaign and finite element analysis. We suggest that large radius bending (XL-bending) consists of three phases that are distinguishable according to the type of contact of the plate with the tool: 1-point, surface and 2-points. In the experimental investigation the high-strength steel Weldox 1300 and a 40 mm radius punch were used. The authors created a camera setup to film the multi-breakage effect. Additionally, finite-element calculations were performed to confirm the hypothesis of the three phases of the

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37

Talhi, Fatima Zohra, Mohamed Tahar Benaniba, Naima Belhaneche-Bensemra, and Valérie Massardier. "Comparison of material properties in butt welds of used and unused polyethylene pipes for natural gas distribution." Journal of Polymer Engineering 37, no. 3 (2017): 279–85. http://dx.doi.org/10.1515/polyeng-2016-0015.

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Abstract The main purpose of this work was to evaluate the long term performance of butt welded polyethylene (PE) pipes in comparison to non-welded counterparts. Therefore, old welded PE pipes with different ages that had been used in Algerian gas distribution systems for up to 30 years were investigated. Samples prepared by butt welding of unaged pipes were used as reference. Crystallinity, melt rheology and thermal stability of pipes materials were examined at the weld zone and at the pipe wall. In order to assess the mechanical strength of welds, tensile test was conducted on both welded an

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38

Nghiem, Nguyen Quoc, Hsiu Ying Hwang, and Jia Shiun Chen. "Correlation of Hardness with Mechanical Properties of SPCC Steel Spot Weld." Applied Mechanics and Materials 157-158 (February 2012): 1404–9. http://dx.doi.org/10.4028/www.scientific.net/amm.157-158.1404.

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The goal of this paper is to develop a method to determine the mechanical properties of SPCC steel spot weld. The mechanical properties of a resistance spot weld could not easily be obtained due to the size of spot weld, and the non-uniformity around the weld zone. This research used an altered approach to obtain the mechanical properties of spot welds. The study based on the hardness measured on spot welds heat-treated surrogate SPCC specimens with the same hardness for the tensile tests. With the tensile test results and hardness measurement data, the correlation of the hardness and yielding

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39

Spitsen, R., D. Kim, B. Flinn, M. Ramulu, and E. T. Easterbrook. "The Effects of Post-Weld Cold Working Processes on the Fatigue Strength of Low Carbon Steel Resistance Spot Welds." Journal of Manufacturing Science and Engineering 127, no. 4 (2005): 718–23. http://dx.doi.org/10.1115/1.2034514.

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The investigation on the use of a post-weld cold working process to improve fatigue strength of low carbon steel resistance spot welds is presented. The cold working process generates uniform and consistent large zones of compressive residual stresses in resistance spot-welded low carbon steel structures using a specially designed indentation device. The effect of the indentation process parameters on the mechanical properties of the resistance spot weld was investigated. Comparisons of the mechanical properties and qualitative results between the as-resistance spot-welded specimens and the po

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40

Børvik, T., O. S. Hopperstad, S. Dey, E. V. Pizzinato, M. Langseth, and C. Albertini. "Strength and ductility of Weldox 460 E steel at high strain rates, elevated temperatures and various stress triaxialities." Engineering Fracture Mechanics 72, no. 7 (2005): 1071–87. http://dx.doi.org/10.1016/j.engfracmech.2004.07.007.

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41

Keskitalo, Markku, and Kari Mäntyjärvi. "Yb:YAG Disc Laser Welding of Austenitic Stainless Steel Without Filler Material." Key Engineering Materials 410-411 (March 2009): 87–96. http://dx.doi.org/10.4028/www.scientific.net/kem.410-411.87.

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The laser weldability of austenitic stainless steel (ASS) is good because of the material’s high absorptivity and favourable microstructure. There can be a slight possibility of solidification cracking at high welding speeds and low Crekv/Niekv ratios. Test welds were welded with a Yb:YAG disc laser. The test material was 3.2 mm EN 1.4404 2H C700 type stainless steel plate which was work hardened by cold rolling. The test materials were welded with different heat inputs ranging from 0.024 kJ/mm to 0.12 kJ/mm and with 300 mm and 200 mm focal lengths. The weld seams were square-groove welded as

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42

Wang, Xiu Li, Wen Wei Yang, and Lei Zou. "Finite Element Analysis for Unstiffened Overlapped CHS KK-Joints Welded in Different Ways." Advanced Materials Research 163-167 (December 2010): 299–306. http://dx.doi.org/10.4028/www.scientific.net/amr.163-167.299.

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The question whether hidden weld of unstiffened overlapped CHS (circular hollow sections) KK-joints is welded or un-welded is not clearly mentioned in China's steel structure design codes (GB50017-2003) .This paper mainly analyzes the influence of chord-to-brace diameter ratio β, diameter-to- ply ratio γ and brace-to-chord ply ratio τ to the ultimate bearing capacity of the joints with the hidden weld welded and un-welded. The influence of welded and un-welded hidden welds of the joints on hysteretic behavior under low frequency loading is analyzed , and hysteretic curve of the joints are obta

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43

Vorkov, Vitalii, Richard Aerens, Dirk Vandepitte, and Joost R. Duflou. "On the Identification of a Loading Scheme in Large Radius Air Bending." Key Engineering Materials 639 (March 2015): 155–62. http://dx.doi.org/10.4028/www.scientific.net/kem.639.155.

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Large radius air bending has a different loading diagram than conventional bending, which affects the material behavior during the bending process. In order to establish a correct loading diagram, the position of the contact points between the plate and the punch is determinant. The position of the contact points is depending on the evolution of the bending process and the influence of the material is unknown. In this work, the determination of the position of the contact points in large radius air bending has been studied by means of both an experimental campaign and finite element analysis.

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44

Xiao, Xinke, Yaopei Wang, Vladislav V. Vershinin, Lin Chen, and Yanshan Lou. "Effect of Lode angle in predicting the ballistic resistance of Weldox 700 E steel plates struck by blunt projectiles." International Journal of Impact Engineering 128 (June 2019): 46–71. http://dx.doi.org/10.1016/j.ijimpeng.2019.02.004.

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45

Weiss, Tobias, Beate Pesch, Anne Lotz, et al. "Levels and predictors of airborne and internal exposure to chromium and nickel among welders—Results of the WELDOX study." International Journal of Hygiene and Environmental Health 216, no. 2 (2013): 175–83. http://dx.doi.org/10.1016/j.ijheh.2012.07.003.

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46

He, Xiao Dong, Ke Tong, Ming Hua Liang, Li Xia Zhu, and Wei Ping Lin. "Properties of X80 Pipeline Girth Welds for Different Welding Procedures." Advanced Materials Research 936 (June 2014): 1747–53. http://dx.doi.org/10.4028/www.scientific.net/amr.936.1747.

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The X80 girth welds were produced by solid-wire gas metal arc welding (GMAW) and shield metal arc welding (SMAW) using two welding consumables respectively, which contained different mass fraction of C, Mo and Ni. The tensile properties, notch toughness, hardness, and microstructures of welded joints were evaluated. The results indicate that high strength and good toughness of welded joints can be achieved. But the tensile properties of all weld metal of GMAW and SMAW process were evidently different because of the difference of mass fraction of C, Mo, Ni. The strength reduced slightly in soft

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Keskitalo, Markku, Aappo Mustakangas, Mikko Hietala, and Kari Mäntyjärvi. "The Influence of Shielding Gas on Strength of the Laser Welded Thin Sheet Lap Welds." Key Engineering Materials 786 (October 2018): 98–103. http://dx.doi.org/10.4028/www.scientific.net/kem.786.98.

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The laser welding is usable method for joining thin plates with low energy input and precise penetration control. When joining of very thin sheets such as 0.5 mm the shape of the weld must be complete in order to achieve a good strength of the joint. The part of the test welds were welded without shielding gas and other part of the test welds by using 65 mm shielding gas nozzle behind the key hole. The strength of the laser weld of 0.5 mm Austenitic stainless steel (ASS) plate was measured in welds without shielding gas and Ar shielded weld. The strength of the shielded weld joints was signifi

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Mashinini, Peter Madindwa, D. G. Hattingh, and Hannalie Lombard. "Influence of Process Heat Input on Static and Dynamic Properties of Friction Stir Welded 3mm Ti6Al4V Alloy." Advanced Materials Research 1019 (October 2014): 287–93. http://dx.doi.org/10.4028/www.scientific.net/amr.1019.287.

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This paper presents an investigation on the influence of varying heat input during friction stir welding of Ti6Al4V alloy, with respect to static and dynamic joint integrity. Weld heat input was controlled by varying the rotational-and tool travel speed. In the absences of large defects the welded samples failed predominately in the parent plate, while percentage elongation for all welds was lower than that of the original material. To quantify the influence of joint geometry on dynamic joint integrity, the test samples were categorised into “as-welded” and “polished” conditions for ease of co

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Woźny, Piotr, Józef Błachnio, and Krzysztof Dragan. "Correlation between Strength, Hardness and the Share of Welding Imperfections in an AW 5754 Aluminium Alloy Weld Executed with the TIG Method." Journal of KONBiN 49, no. 4 (2019): 383–400. http://dx.doi.org/10.2478/jok-2019-0092.

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Abstract The article presents the impact of welding imperfections on the strength and microhardness of AW 5754 aluminium alloy welded joints executed with the TIG method. It presents the results of tomographic tests of welds. The results of strength and microhardness tests involving welds executed under various welding process parameters were shown. The impact of welding imperfections on the strength and microhardness of a welded joint was analysed. Based on analysing the relations between the r Pearson coefficient values and multiple correlation, significant relationships between strength, ha

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Nallusamy, S. "Analysis of Welding Properties in FSW Aluminium 6351 Alloy Plates Added with Silicon Carbide Particles." International Journal of Engineering Research in Africa 21 (December 2015): 110–17. http://dx.doi.org/10.4028/www.scientific.net/jera.21.110.

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In the present investigation, properties of the Friction Stir Welded (FSW) Aluminium 6351 alloy plates added with SiC particles in the weld zone was studied. The qualities of welds were determined in two conditions of as-weld condition and annealed condition. In addition, the hardening parameters were calculated to evaluate the quality of friction stir welds of Al 6351 alloy plates. Using swift hardening law, strength coefficient (k) and strain (ε) values were calculated keeping hardening exponent (n) as constant for Al 6351 alloy. The calculated values of strength coefficient and strain were

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