Results 151 to 160 of about 22,036,028 (199)
Symmetry, 2020 Automatic segmentation of metallographic image is very important for the implementation of an automatic metallographic analysis system. In this paper, a novel instance segmentation framework of a metallographic image was implemented, which can assign ...
Dali Chen, Shixin Liu
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Metallographic Analysis of Filiform Corrosion
Solid State Phenomena, 2017The surface line type defects on the can twist-off lids from lacquered tinplate material have been analyzed. The analyzed defects manifested themselves like the lines bulged above the surrounding surface. They were aligned roughly perpendicular to the lid circumference; they were mostly arranged on the lower part of lid circumference edge.
Lucia Hrabčáková, Alicia Mašlejová
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Metallographic Study on Alloy Zircaloy-4 of Nuclear Use [PDF]
, 2015 In this paper we present the results metallographic examination of Zry-4 used in the manufacture of miniplates. The metallographic characterization was performed in order to know the microstructures and microhardness of thereof.
Arnaldo, Guillermo J. +2 more
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Metallographic Analysis of Kinetically Activated Bainite Welds
AM&P Technical Articles, 2016Abstract This article describes research leading to the development of a new grade of low temperature bainitic steels, named Kinetically Activated Bainite (KAB) steels. with exceptionally rapid transformation kinetics at temperatures below 200°C.
Peter Kirbiš +3 more
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The Metallographer's Role in Damage Analysis
Practical Metallography, 2011Abstract The metallographer's role is of extraordinary importance when clarifying cases of damage. This statement is documented by means of an example of corrosion damage on a brewery pipe. Several different methods have been applied in order to provide for a final result, such as emission spectroscopy analysis ...
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Metallurgical and Metallographic Aspects of Engineering Failure Analysis
Microscopy and Microanalysis, 2008Extended abstract of a paper presented at Microscopy and Microanalysis 2008 in Albuquerque, New Mexico, USA, August 3 – August 7 ...
ME Stevenson, JL McDougall, MD Hayes
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Metallographic analysis of laser soldered chip resistors
33rd International Spring Seminar on Electronics Technology, ISSE 2010, 2010During the last decade laser material processing has been used in more and more fields of electronics technology. Among these techniques laser soldering processes showed great improvements and they offer several advantages mainly in terms of localized heating, rapid rise and fall in temperature, non-contact and easily automated process.
Tamas Hurtony +3 more
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Metallographic Analysis of Corrosion Failures
1978The proper analysis of a component failure can provide valuable assistance in determining the validity of a product design. Errors in selection and design as well as materials defects and shortcomings in processing can frequently be revealed. These problems can often be detected in prototype testing or early in production, which results in substantial ...
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Defects in hexed gold prosthetic screws: A metallographic and tensile analysis
The Journal of Prosthetic Dentistry, 2002Prosthetic gold screw fracture remains a clinical problem in implant prosthodontics.This study examined hexed gold prosthetic screws for internal defects and determined the effect of these defects on tensile strength. The microstructure, microhardness, and major constituents of the alloys also were determined.Four intact hexed gold prosthetic screws, 1
Sameer K, Rambhia +3 more
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Strain analysis in machining using metallographic methods
Metallography, 1987Abstract Strain patterns in 4340 steel chips created during turning at speeds between 36 and 440 m/min (119 and 1442 sfpm) are examined metallographically. A new method, based on the grain elongation orientation in the chip, is developed for quantification of local strains created during plane strain deformation in the primary and secondary ...
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