Weldability ≈ Weldability
View article
Cracking mechanism and susceptibility of laser melting deposited Inconel 738 superalloy Open
Laser Melting Deposition (LMD) of Inconel 738 (IN738) superalloy is a promising process for the remanufacturing of gas turbines and aerospace engines, but the cracking has not been thoroughly understood and controlled. This paper conducts …
View article
State of the art about dissimilar metal friction stir welding Open
Friction stir welding is a rather recent welding process (patented in 1991 by Thomas et al., ‘Improvements to friction welding’ UK patent application no. 9125978.8, US Patent 5460317, 1995) that has shown great potential for welding dissim…
View article
From Austenitic Stainless Steel to Expanded Austenite-S Phase: Formation, Characteristics and Properties of an Elusive Metastable Phase Open
Austenitic stainless steels are employed in many industrial fields, due to their excellent corrosion resistance, easy formability and weldability. However, their low hardness, poor tribological properties and the possibility of localized c…
View article
Processing and Properties of Reversion-Treated Austenitic Stainless Steels Open
Strength properties of annealed austenitic stainless steels are relatively low and therefore improvements are desired for constructional applications. The reversion of deformation induced martensite to fine-grained austenite has been found…
View article
Microstructures and mechanical properties of a welded CoCrFeMnNi high-entropy alloy Open
The response of the CoCrFeMnNi high-entropy alloy to weld thermal cycles was investigated to determine its applicability as an engineering structural material. Two processes were used: high-energy-density, low-heat-input electron beam (EB)…
View article
Effect of Welding Heat Input on Simulated HAZ Areas in S960QL High Strength Steel Open
When the weldability of high strength steels is analyzed, it is the softening in the heat-affected zone (HAZ) that is mostly investigated, and the reduction of toughness properties is generally less considered. The outstanding toughness pr…
View article
Microstructure evolution and mechanical properties in a gas tungsten arc welded Fe42Mn28Co10Cr15Si5 metastable high entropy alloy Open
Article asserts that weldability studies on high entropy alloys are still relatively scarce, delaying the deployment of these materials into real-life applications, thus, there is an urgent need for in-depth studies of the weldability of t…
View article
Effect of crack-like defects on the fracture behaviour of Wire + Arc Additively Manufactured nickel-base Alloy 718 Open
The fabrication of large components using a high deposition rate, near-net shape process like Wire + Arc Additive Manufacturing (WAAM) is a promising option for many industries, due to the potential for reduction in material wastage and sh…
View article
Advanced High-Strength Steels for Automotive Applications: Arc and Laser Welding Process, Properties, and Challenges Open
In recent years, the demand for advanced high-strength steel (AHSS) has increased to improve the durability and service life of steel structures. The development of these steels involves innovative processing technologies and steel alloy d…
View article
Laser Beam and Laser-Arc Hybrid Welding of Aluminium Alloys Open
Aluminium alloys are widely used in many industries due to their high strength-to-weight ratios and resistance to corrosion. Due to their specific thermophysical properties and intricate physical metallurgy, these alloys are challenging to…
View article
Weldability and shear strength feasibility study for automotive electric vehicle battery tab interconnects Open
Lithium-ion-based secondary battery packs are emerging as an alternative power source and are being increasingly used in electric vehicles, hybrid or plug-in hybrid electric vehicles. Typically, a standard automotive battery pack consists …
View article
A Novel Method for Predicting Tensile Strength of Friction Stir Welded AA6061 Aluminium Alloy Joints Based on Hybrid Random Vector Functional Link and Henry Gas Solubility Optimization Open
Aluminum alloys have low weldability by conventional fusion welding processes. Friction stir welding (FSW) is a promising alternative to traditional fusion welding techniques for producing high quality aluminum joints. The quality of the w…
View article
Alloy design for laser powder bed fusion additive manufacturing: a critical review Open
Metal additive manufacturing (AM) has been extensively studied in recent decades. Despite the significant progress achieved in manufacturing complex shapes and structures, challenges such as severe cracking when using existing alloys for l…
View article
Gas tungsten arc welding of 7075 aluminum alloy: microstructure properties, impact strength, and weld defects Open
Precipitation-hardened 7075 (Al-Zn-Mg-Cu) aluminum alloys have low specific density and high strength. Because of these advantages, they are commonly used as construction materials in the aerospace industries. Even though they have such im…
View article
Mesoscopic evolution of molten pool during selective laser melting of superalloy Inconel 738 at elevating preheating temperature Open
Due to the poor weldability of Inconel 738 alloy, defects (cracks, pores) always exist in the selective laser melting(SLM) process. In this paper, the molten pool evolution of the single track, including the morphology, porosity and crack …
View article
Weldability of Additive Manufactured Stainless Steel Open
Part size in additive manufacturing is limited by the size of building area of AM equipment. Occasionally, larger constructions that AM machines are able to produce, are needed, and this creates demand for welding AM parts together. Howeve…
View article
The Influence of the Process Parameters on the Densification and Microstructure Development of Laser Powder Bed Fused Inconel 939 Open
This work aims to investigate the effect of the process parameters on the densification and microstructure of Inconel 939 (IN939) alloy processed by laser powder bed fusion (LPBF). IN939 is a Ni-based superalloy with high creep and corrosi…
View article
Experimental Investigation of the Friction Stir Weldability of AA8006 with Zirconia Particle Reinforcement and Optimized Process Parameters Open
A lightweight, highly corrosive resistant, and high-strength wrought alloy in the aluminum family is the Aluminium 8006 alloy. The AA8006 alloy can be formed, welded, and adhesively bonded. However, the recommended welding methods such as …
View article
An Experimental Investigation of Temperature Distribution and Joint Properties of Al 7075 T651 Friction Stir Welded Aluminium Alloys Open
The 7xxx series aluminum alloys provides the highest strength of all aluminum alloys and are considered to be a family of high strength aerospace alloys. Its weldability with conventional fusion welding techniques is extremely poor. The de…
View article
Process robustness and strength analysis of multi-layered dissimilar joints using ultrasonic metal welding Open
This paper investigates the effects of process parameters on the joint strength and process robustness when multi-layered joints of dissimilar metals are produced by ultrasonic metal welding (UMW). Three layers of 0.3-mm aluminium sheet ar…
View article
Underwater wet welding of S1300 ultra-high strength steel Open
An expected tendency in marine and offshore structures is an increasing share of steels with high mechanical properties. The necessity to perform the welding work under water leads to a decreasing of the weldability of the steel. It result…
View article
Advantages of the Application of the Temper Bead Welding Technique During Wet Welding Open
Thermo-mechanically rolled S460ML steel was chosen for welding in underwater wet welding conditions by covered electrodes. The main aim of this study was to check the weldability for fillet welds in a water environment by controlled therma…
View article
Microstructure and mechanical properties of gas metal arc welded AISI 430/AISI 304 dissimilar stainless steels butt joints Open
Nowadays, there is an increasing demand for the use of joining dissimilar metals in various industrial applications owing to the economic benefits and better joint performance. Ferritic stainless steel grades is a good alternative for aust…
View article
Welding of High Entropy Alloys—A Review Open
High-entropy alloy (HEA) offers great flexibility in materials design with 3–5 principal elements and a range of unique advantages such as good microstructure stability, mechanical strength over a broad range of temperatures and corrosion …
View article
A review of weldability of carbon steel in arc-based welding processes Open
The weldability of carbon steel is determined by carbon equivalent (CE) for predicting/estimating preheat temperatures necessary for weld integrity of the weldment. The microstructure of the welded carbon steel at the heat affected zone (H…
View article
Comparative Analysis of Microwave based Joining/Welding of SS304-SS304 using Different Interfacing Materials Open
In recent years, researchers have developed methods for joining bulk metals like aluminium, stainless steel, mild steel, cast iron etc. through microwave radiations. The present work is based on the joining of stainless steel-304 with two …
View article
Microstructure and stress corrosion behaviour of CMT welded AA6061 T-6 aluminium alloy joints Open
Superior properties of AA6061 grade aluminium alloys are finding greater use in automotive, marine and aircraft applications due to its strength, weldability and high corrosion resistance. But it is highly susceptible to stress corrosion c…
View article
Comparison of different system technologies for continuous-wave laser beam welding of copper Open
Due to the high-reflective characteristic of copper materials, welding with infrared lasers can be challenging and tends to a low process stability. New high-power laser sources and system technologies got introduced in the last years, pro…
View article
Welding of S960MC with undermatching filler material Open
High strength structural steels are in high demand thanks to their favorable mechanical properties. They offer high strength with sufficient toughness and good forming capabilities. Applications range from shipbuilding, to offshore constru…
View article
Metallurgical, mechanical and corrosion behaviour of pulsed and constant current TIG dissimilar welds of AISI 430 and Inconel 718 Open
This research work explore the weldability, structural integrity, mechanical properties and corrosion behaviour of dissimilar welds of Inconel 718 and AISI 430 developed by using constant and pulse arccurrent modes in TIG welding process. …