Journal ArticleDOI
Mechanical properties and hydrogen induced cracking behaviour of API X70 SAW weldments
Lochan Sharma,Rahul Chhibber +1 more
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TLDR
In this article, the effect of industrial and laboratory prepared agglomerated submerged arc welding fluxes on the weldability, microstructural evolution as well as the structural integrity issues in API X70 line pipe steel welds was analyzed.About:
This article is published in International Journal of Pressure Vessels and Piping.The article was published on 2018-08-01. It has received 14 citations till now. The article focuses on the topics: Submerged arc welding & Welding.read more
Citations
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Journal ArticleDOI
Effects of different cooling rates on the microstructure, crystallographic features, and hydrogen induced cracking of API X80 pipeline steel
Mario Fernando González Ramírez,José Wilmar Calderón Hernández,Duberney Hincapie Ladino,Mohammad Masoumi,Hélio Goldenstein +4 more
TL;DR: In this article, three different cooling rates after austenitization were used to simulate in the laboratory different regions of the heat-affected zone (HAZ) formed when welding an API X80 pipeline steel specially designed to enhance the HIC resistance.
Journal ArticleDOI
Microstructure evolution and electrochemical corrosion behaviour of API X70 linepipe steel in different environments
Lochan Sharma,Rahul Chhibber +1 more
TL;DR: In this paper, a heat treatment procedure was used to alter the microstructure of base metal and to study its effect on the electrochemical corrosion behaviour of X70 pipe line steel.
Journal ArticleDOI
Prediction of mechanical properties of welded steel X70 pipeline using neural network modelling
Adel Saoudi,Mamoun Fellah,Naouel Hezil,Djahida Lerari,Farida Khamouli,L'hadi Atoui,Khaldoun Bachari,Julia Morozova,Aleksei Obrosov,Mohammed Abdul Samad +9 more
TL;DR: In this article, an ANN model was developed to predict tensile and impact properties of a submerged arc helical welded (SAHW) pipeline steel API X70 based upon its chemical composition.
Journal ArticleDOI
Design and Development of Submerged Arc Welding Slags Using CaO-SiO2-CaF2 and CaO-SiO2-Al2O3 System
Lochan Sharma,Rahul Chhibber +1 more
TL;DR: In this paper, the physicochemical and thermophysical behavior of submerged arc welding slags designed by CaO-SiO2-CaF2 and CaOSiO 2-Al2O3 system were investigated.
Journal ArticleDOI
Characterization of CaO-CaF2-TiO2-SiO2 Based Welding Slags for Physicochemical and Thermophysical Properties
Waris Nawaz Khan,Rahul Chhibber +1 more
TL;DR: In this paper, the properties of slag obtained from CaO-CaF2-TiO2-SiO2 based coatings developed for welding the offshore structures were investigated.
References
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Book
Experiments with Mixtures: Designs, Models and the Analysis of Mixture Data
TL;DR: In this paper, the original Mixture Problem is described and models for exploring the Entire Simplex Factor Space are presented, including matrix algebra, least squares, and the analysis of variance.
Book
Introduction to the physical metallurgy of welding
TL;DR: The second edition has been updated and expanded to cover new topics such as the numerical analytical techniques now being used in industry as mentioned in this paper, which should be of use to welding professionals and those studying metallurgy and materials science.
Book
Design of Experiments: A Realistic Approach
TL;DR: A review of some basic statistical concepts some intermediate data analysis concepts A Scientific Approach to Experimentation Completely Randomized Design (CRD) Randomized Complete Block Design (RCBD) Nested (Hierarchical) and Nested Factorial Designs Split Plot Type Design Latin Square Type Designs 2n Factorial Experiments (Complete and Incomplete Blocks) Fractional Factorial Experimentations for Two-Leveled Factors Three-Level Factorial Experience (FFE) Mixed FactorialExperiments and Other Incomplete Block Designs Response Surface Exploration Appendices
Journal ArticleDOI
Critical evaluation and optimization of the thermodynamic properties and phase diagrams of the CaO-Al 2 O 3 , Al 2 O 3 -SiO 2 , and CaO-Al 2 O 3 -SiO 2 systems
Gunnar Eriksson,Arthur D. Pelton +1 more
TL;DR: In this article, all available thermodynamic and phase diagram data have been critically assessed for all phases in the CaO-Al 2O3, Al2O3-SiO2, and CaO al2O 3-Si2 systems at 1 bar pressure from 298 K to above the liquidus temperatures.
Journal ArticleDOI
Effects of hydrogen-charging on the susceptibility of X100 pipeline steel to hydrogen-induced cracking
TL;DR: In this paper, the authors investigated the hydrogen-induced cracking behavior of X100 pipeline steel by a combination of tensile test, electrochemical hydrogen permeation measurement and surface characterization techniques.