Journal ArticleDOI
Application of Response Surface Methodolody to Prediction of Dilution in Plasma Transferred Arc Hardfacing of Stainless Steel on Carbon Steel
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In this paper, the application of response surface methodology was highlighted to predict and optimize the percentage of dilution of iron-based hardfaced surface produced by the PTA (plasma transferred arc welding) process.Abstract:
The application of response surface methodology was highlighted to predict and optimize the percentage of dilution of iron-based hardfaced surface produced by the PTA (plasma transferred arc welding) process. The experiments were conducted based on five-factor five-level central composite rotatable design with full replication technique and a mathematical model was developed using response surface methodology. Furthermore, the response surface methodology was also used to optimize the process parameters that yielded the lowest percentage of dilution.read more
Citations
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Biodegradation of deltamethrin and its hydrolysis product 3-phenoxybenzaldehyde by a newly isolated Streptomyces aureus strain HP-S-01
TL;DR: Strain HP-S-01 from activated sludge could effectively degrade deltamethrin and its major hydrolysis product 3-phenoxybenzaldehyde and is suitable for the efficient and rapid bioremediation of pyrethroid-contaminated environment.
Journal ArticleDOI
Drastic improvement in mechanical properties and weldability of 316L stainless steel weld joints by using electromagnetic vibration during GTAW process
TL;DR: In this article, the influence of applying electromagnetic vibration during welding on the microstructural transformations, mechanical properties, and hot-cracking susceptibility in 316L stainless steel welding joints have been investigated.
Journal ArticleDOI
Effect of arc current on microstructure and wear characteristics of a Ni-based coating deposited by PTA on gray cast iron
TL;DR: In this paper, the effect of arc current on the microstructure, hardness and wear performance of a nickel-based hardfacing alloy deposited on gray cast iron, currently used in molds for the glass industry was investigated.
Journal ArticleDOI
Weighted Multivariate Mean Square Error for processes optimization: A case study on flux-cored arc welding for stainless steel claddings
José Henrique de Freitas Gomes,Anderson Paulo de Paiva,Sebastião Carlos da Costa,Pedro Paulo Balestrassi,Emerson José de Paiva +4 more
TL;DR: The method, called the Weighted Multivariate Mean Square Error (WMMSE), utilizes a weighting procedure that integrates Principal Component Analysis (PCA) and Response Surface Methodology (RSM) and obtains uncorrelated weighted objective functions from the original responses.
Journal ArticleDOI
Oxidation behavior of Ni-based coatings deposited by PTA on gray cast iron
TL;DR: In this paper, the effect of PTA current (100 and 128 A) on the oxidation behavior of nickel-based hardfacing coatings deposited on gray cast iron was studied by thermogravimetry.
References
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Book
Probability and Statistics for Engineers and Scientists
TL;DR: In this paper, the authors present a survey of statistical and data analysis methods for probability distributions and their application to statistical quality control problems, including one and two Sided Tests of Hypotheses.
Journal ArticleDOI
Application of response surface methodology for predicting weld bead quality in submerged arc welding of pipes
V. Gunaraj,N. Murugan +1 more
TL;DR: In this paper, a four-factor five-level central composite rotatable design matrix with full replication for planning, conduction, execution and development of mathematical models is proposed for predicting the weld bead quality and selecting optimum process parameters for achieving the desired quality and process optimization.
Journal ArticleDOI
Optimization of different welding processes using statistical and numerical approaches - A reference guide
TL;DR: A comprehensive literature review of the application of evolutionary algorithms, evolutionary algorithms and computational network in the area of welding has been introduced herein and was classified according to the output features of the welding, i.e. bead geometry and mechanical properties of the welds.
Journal ArticleDOI
Application of response surface methodology in the optimization of cutting conditions for surface roughness
TL;DR: In this article, the authors developed an effective methodology to determine the optimum cutting conditions leading to minimum surface roughness in milling of mold surfaces by coupling response surface methodology (RSM) with a developed GA.
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