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Effect of Solution Annealing Temperature on Liquation Cracking Susceptibility of Alloy 617M
Improvement in liquation cracking susceptibility of Alloy 617M, a Ni base superalloy is observed on modification of solution annealing conditions for...
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Recent research progress in the mechanism and suppression of fusion welding-induced liquation cracking of nickel based superalloys
Nickel-based superalloys are extensively used in the crucial hot-section components of industrial gas turbines, aeronautics, and astronautics because...
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Overcoming Liquation Cracking in AA7075 Welds via Friction Stir Processing Pre-weld Treatment: A Microstructural Approach
The AA7075 high-strength aluminum alloy exhibits a pronounced tendency for hot cracking during fusion welding, which hampers its widespread...
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The role of the microstructural changes during induction preheating on the HAZ liquation cracking susceptibility of Ni-based superalloy
This work presents the influence of high-frequency induction preheating (900, 1000, 1100 °C) on liquation crack formation in the René 108 Ni-based...
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Weld Cracking Susceptibility of High-Cr Ni-Base Fe Alloys and Its Improvement—Development of Novel Test Method for Ductility-Dip Cracking and New Alloy
The susceptibility to weld cracking such as ductility-dip cracking (DDC), liquation cracking, and solidification cracking, for laboratory melted...
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Liquefaction Characteristics and Cracking Behavior of the Grain Boundaries and Interdendritic Regions in Non-Weldable K447A Superalloy During Laser Re-Melting
Nickel-based superalloys with high Al + Ti content are considered non-weldable, and hot cracking is a major challenge in their thermal fabrication...
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Microstructural evolution and liquation cracking in the partially melted zone of deposited ERNiCrFe-13 filler metal subjected to TIG refusion
The microstructure of ERNiCrFe-13 multipass weld metal has been shown to contain Laves/γ or σ/γ eutectic constituents that can increase...
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Analysis of Solidification and Liquation Cracks in the Electron Beam Welding of IN738 Superalloy
IN738 super alloy is one of the most widely used materials in gas turbine blades. Welding is one of the most attractive methods of repairing and...
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Liquation cracking in the heat-affected zone of IN939 superalloy tungsten inert gas weldments
The main aim of this study was to investigate liquation cracking in the heat-affected zone (HAZ) of the IN939 superalloy upon tungsten inert gas...
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Effect of Welding Parameters on the Liquation Cracking Behavior of High-Chromium Ni-Based Superalloy
Gas turbine blades working under extremely harsh operating conditions are made of superalloys. These superalloys are exposed to various damage...
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Stress relaxation cracking susceptibility evaluation in 347H stainless steel welds
Stress relaxation cracking (SRC) has been reported as a dominant failure mechanism for 347H stainless steel welds at elevated service temperatures,...
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A Review on Factors Influencing Solidification Cracking of Magnesium Alloys During Welding
Magnesium alloys, which are the lightest structural alloys and have a density that is around one-fourth that of steel, present tremendous potential...
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Solidification cracking in duplex stainless steel flux-cored arc welds Part 1—cracking in 30-mm-thick material welded under high restraint
Duplex stainless steels show fully ferritic solidification and are thus considered generally resistant to hot cracking. The few published cases where...
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Effect of Grain Size on the Heat-Affected Zone (HAZ) Cracking Susceptibility in Ni Base XH67 Superalloy
XH67 is a high-nickel superalloy used in high-pressure, oxygen-rich environment of rocket engine components, in view of its excellent ignition...
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Influence of Heat Input on Solidification Cracking in Additively Manufactured CM247LC Ni-based Superalloy
AbstractSolidification cracking in a laser powder bed fusion (LPBF) manufactured CM247LC is studied as a function of heat input ranging from 0.27 to...
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Hot Crack Susceptibility Studies on High-Nitrogen Stainless Steel
Conventional fusion welding of high-nitrogen stainless steel (HNSS) can lead to a number of potential defects, such as nitrogen porosity, weld metal...
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Prediction of Solidification Cracking in Rene 80 Superalloy During the Directed Energy Deposition Process
Avoiding solidification cracksSolidification cracking is one of the requirements to successfully manufacture high gamma prime superalloys by Additive...
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Hot cracking in duplex stainless steel weldments — a review
Due to primary ferritic solidification, the duplex stainless steels are generally considered resistant to solidification cracking. Although very few...
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Investigation of Cracking Susceptibility and Porosity Formation and Its Mitigation Techniques in Laser Powder Bed Fusion of Al 7075 Alloy
The processing of high-strength Al7075 alloy through the laser powder bed fusion process is challenging because of cracking susceptibility. In this...
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Influence of Hot Isostatic Pressing on the Hot Ductility of Cast Alloy 718: The Effect of Niobium and Minor Elements on the Liquation Mechanism
The influence of two hot isostatic pressing (HIP) treatments on liquation behavior was investigated and compared with regard to the extent of...
