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Author : Thomas M. Holden
ISBN : 9781945291173
Genre : Technology & Engineering
File Size : 47.50 MB
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This book presents the proceedings of the International Conference on Residual Stresses 10 and is devoted to the prediction/modelling, evaluation, control, and application of residual stresses in engineering materials. New developments, on stress-measurement techniques, on modelling and prediction of residual stresses and on progress made in the fundamental understanding of the relation between the state of residual stress and the material properties, are highlighted. The proceedings offer an overview of the current understanding of the role of residual stresses in materials used in wide ranging application areas.
Author : Thomas M. Holden
ISBN : 1945291168
Genre : Technology & Engineering
File Size : 48.21 MB
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This book presents the proceedings of the International Conference on Residual Stresses 10 and is devoted to the prediction/modelling, evaluation, control, and application of residual stresses in engineering materials. New developments, on stress-measurement techniques, on modelling and prediction of residual stresses and on progress made in the fundamental understanding of the relation between the state of residual stress and the material properties, are highlighted. The proceedings offer an overview of the current understanding of the role of residual stresses in materials used in wide ranging application areas.
Author : Marc Seefeldt
ISBN : 9781945291890
Genre : Technology & Engineering
File Size : 24.10 MB
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The European Conference on Residual Stresses (ECRS) series is the leading European forum for scientific exchange on internal and residual stresses in materials. It addresses both academic and industrial experts and covers a broad gamut of stress-related topics from instrumentation via experimental and modelling methodology up to stress problems in specific processes such as welding or shot-peening, and their impact on materials properties. Chapters: Diffraction Methods; Mechanical Relaxation Methods; Acoustic and Electromagnetic Methods; Composites, Nano and Microstructures; Films, Coatings and Oxides; Cold Working and Machining; Heat Treatments and Phase Transformations; Welding, Fatigue and Fracture: Stresses in Additive Manufacturing.
The complex geometry of cylinder heads in heavy-duty diesel engines makes grey iron or compact graphite iron a preferred material choice due to its price, castability, thermal conductivity and damping capacity. Today’s strict emission laws have increased the demands on engine performance and engine efficiency. This means that material properties such as fatigue resistance need to be improved. Shot peening is often used to improve the fatigue resistance of components and the benefits of shot peening are associated with the induced compressive surface stresses and surface hardening. How different shot peening parameters can affect fatigue strength of grey and compact graphite iron has been investigated within the project underlying this thesis. To do this, X-ray diffraction (XRD) was utilized for residual stress measurements, scanning electron microscopy (SEM) for microstructural characterizations and mechanical fatigue testing for mechanical quantifications. The ultimate aim of this work has been to increase the fatigue resistance of cast iron by residual stress optimization. XRD measurements and SEM examinations revealed that the shot peening parameters shot size and peening intensity significantly influence residual stresses and surface deformation. Residual stress profiles, similar to the one general considered to improve the fatigue strength in steels, were obtained for both grey and compact graphite iron. Uniaxial push-pull fatigue testing on grey iron with these shot peening parameters reduced the fatigue strength with 15–20 %. The negative effect is likely related to surface damage associated with over peening and relatively high subsurface tensile residual stresses. With very gentle shot peening parameters, the uniaxial fatigue strength were unaltered from the base material but when subjected to bending fatigue an increase in fatigue strength were observed. An alternative way to increase the fatigue strength was to conduct a 30 min annealing heat treatment at 285 XC which increased the fatigue strength by almost 10 % in uniaxial loading. The improvement could be an effect of favourable precipitates forming during the annealing, which could hinder dislocation movement during fatigue. Measuring residual stresses using XRD and the sin2 -method demands accurate X-ray elastic constants (XEC) for meticulous stress analysis. The XEC referred to as 1~2s2 should therefore always be calibrated for the specific material used. The experiments conducted revealed that the XEC value is independent of the testing method used in this work. A small correction from the theoretical value should be applied when the material contains small amounts of residual stresses. The amount of residual stresses has a great impact on the XEC and thus on the stress analysis. Concluding that proper analysis of residual stresses in cast iron is not straight forward.
Author : Haidou Wang
ISBN : 9789811078415
Genre : Technology & Engineering
File Size : 21.11 MB
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This book covers the basic principles and application of nanoindentation technology to determine residual stresses in films and coatings. It briefly introduces various detection technologies for measuring residual stresses, while mainly focusing on nanoindentation. Subsequently, nanoindentation is used to determine residual stresses in different types of films and coatings, and to describe them in detail. This book is intended for specialists, engineers and graduate students in mechanical design, manufacturing, maintenance and remanufacturing, and as a guide to the practice of production with social and economic benefits.
Author : C. Sommitsch
ISBN : 9783035731293
Genre : Technology & Engineering
File Size : 34.44 MB
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This book presents the proceedings of the 9-th International Conference on Processing and Manufacturing of Advanced Materials THERMEC2016, which took place between May 29 and June 3, 2016 in Graz, Austria, under the co-sponsorship of The Minerals, Metals & Materials Society (TMS), USA. The Conference was also under the international auspices of professional organizations from Japan, Korea, France, Italy, The Netherlands, Germany, Brazil, Austria, India, and Canada. The Conference was intended to bring together the researchers and engineers/technologists working in different aspects of processing, fabrication, structure/property evaluation and applications of both ferrous and nonferrous materials including biomaterials, and smart/intelligent materials as well as the advanced characterisation techniques. In addition to the contributed papers, the conference committee included in the final program the invited presentations by active researchers from various countries in several topic areas covered at THERMEC2016.
Author : Anatoly Popovich
ISBN : 9783035736113
Genre : Technology & Engineering
File Size : 72.71 MB
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International Scientific Conference "New Materials and Technologies in Mechanical Engineering" (NMTME 2019) Selected, peer reviewed papers from the International Scientific Conference "New Materials and Technologies in Mechanical Engineering" (NMTME 2019), March 12 - 15, 2019, St. Petersburg, Russian Federation
Author : Carlos Roberto Grandini
ISBN : 9783035700022
Genre : Technology & Engineering
File Size : 62.90 MB
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Collected papers presented at the 21st Brazilian Conference on Materials Science and Engineering (CBECIMAT 2014) covers the wide spectrum of topics of materials science and materials processing technologies: from biomaterials, ceramics and semiconductors, to materials in construction and environmental engineering. Presented results of scientific and engineering research could be useful for engineers, students and academics from various fields of applied materials science.
Author : Sven Bossuyt
ISBN : 9783319217659
Genre : Technology & Engineering
File Size : 78.23 MB
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Residual Stress, Thermomechanics& Infrared Imaging, Hybrid Techniques and Inverse Problems, Volume 9 of the Proceedings of the 2015SEM Annual Conference & Exposition on Experimental and Applied Mechanics, the ninth volume of nine from the Conference, brings together contributions to this important area of research and engineering. The collection presents early findings and case studies on a wide range of areas, including: Inverse Methods Inverse Methods in Plasticity Varying Length Scales Harsh Environments Opto-Acoustical Methods Hybrid Experimental Residual Stress Modelling and Advances in Measurements Thermomechanics General Material Response Infrared Imaging
Author : Walter Reimers
ISBN : UCSD:31822030093348
Genre : Technology & Engineering
File Size : 25.47 MB
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The seventh European Conference on Residual Stresses (ECRS7), was held in Berlin, Germany, on the 13-15th September 2006. These rapidly published proceedings contain the oral and poster contributions which were presented at the conference. They have been grouped into topic areas covering: measurement techniques, generation of residual stresses by manufacturing, processing of materials, modelling and computation of residual stresses, residual stresses in thin layers, residual stresses in multiphase materials , micro and intergranular residual stresses, andesidual stresses and phase transformation.
Author : Rudolf Kawalla
ISBN : 9783035731330
Genre : Technology & Engineering
File Size : 63.33 MB
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MEFORM 2017 Selected, peer reviewed papers from the 25th MEFORM Conference «New Developments in Wire Production and Processing», March 15-16, 2017, Freiberg, Germany
Author : Angelos P. Markopoulos
ISBN : 9783035731996
Genre : Technology & Engineering
File Size : 60.68 MB
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This volume is based on the results of the 9th International Congress on Precision Machining (ICPM 2017, September 6-9, 2017, Athens, Greece) cover a wide range of scientific articles in area of precision machining of materials as well as related topics such as accuracy of machining, technologies of micro- and nano-machining, cutting tools, analysis of surfaces and machining accuracy, modeling and simulation of processes, abrasive processes, non-conventional machining, manufacturing systems for precision machining, precision engineering and applications.
Author : Niels Bay
ISBN : 9783035732993
Genre : Technology & Engineering
File Size : 90.81 MB
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8th International Conference on Tribology in Manufacturing Processes and Joining by Plastic Deformation (ICTMP2018) Selected, peer reviewed papers from the 8th International Conference on Tribology in Manufacturing Processes & Joining by Plastic Deformation, June 24-26, 2018, Elsinore, Denmark
Author : Sergei Alexandrov
ISBN : 9783035736854
Genre : Technology & Engineering
File Size : 64.25 MB
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Selected peer-reviewed full text papers from Spring International Conference on Material Sciences and Technology (MST-S 2020) Selected, peer-reviewed papers from the 2020 Spring International Conference on Material Sciences and Technology (MST-S), August 14-16, 2020, Kunming, China
This collection by results of 15th International Conference on Fracture and Damage Mechanics (14-16 September, 2016, Alicante, Spain) represents results of the latest theoretical, computational and experimental research works on fracture, damage mechanics, structural integrity and durability of materials and structures from different areas of mechanical engineering and construction.
Author : Alin Constantin Murariu
ISBN : 9783035702590
Genre : Technology & Engineering
File Size : 80.40 MB
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This edition by results of 8th International Conference: Innovative Technology for Joining Advanced Materials (TIMA 16, Timisoara, Romania, June 2 - 3, 2016) is dedicated to actual problems in the field of advanced materials joining and testing procedures. A particular attention is given to practical problems of modern industry. This volume covers the following actual topics: New joining technologies Coatings: advanced materials and innovative technologies Modelling and simulation of welding and allied processes Specific problems in advanced materials joining Quality of welded joints and welded structures.
