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Author : O. A. Adetifa
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (112 download)
Download or read book Load Interaction Effects in Fatigue Crack Propagation written by O. A. Adetifa and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 119 pages
Book Rating : 4.:/5 (243 download)
Download or read book On Load-interaction Effects in Fatigue Crack Propagation written by and published by . This book was released on 1990 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: A systematic investigation has been carried out on the mechanisms of the retardation in fatigue crack propagation following either a single overload or a large number of multiple overloads. The results from A1 alloy 6061-T6 and 9Cr-2Mo steel confirmed the observation by Paris and Hermann that during the period of retarded fatigue crack growth subsequent to the application of a single overload, two instead of only one crack opening levels exist.
Author : Anders F. Blom
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.:/5 (641 download)
Download or read book Load Interaction Effects on Fatigue Crack Propagation in Steels of Varying Strength written by Anders F. Blom and published by . This book was released on 1986 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.:/5 (317 download)
Download or read book Load Interaction Effects on Fatigue Crack Growth in Ti-6Al-4V Alloy written by and published by . This book was released on 1973 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dan K. Holm
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.:/5 (185 download)
Download or read book Load Interaction Effects on Fatigue Crack Propagation in High Strength Steels written by Dan K. Holm and published by . This book was released on 1985 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stoyan Ivanov Stoychev
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (124 download)
Download or read book Load Interaction Effects on Fatigue Crack Growth written by Stoyan Ivanov Stoychev and published by . This book was released on 2005 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : ASTM International
ISBN 13 :
Total Pages : 147 pages
Book Rating : 4./5 ( download)
Download or read book Methods and Models for Predicting Fatigue Crack Growth Under Random Loading written by and published by ASTM International. This book was released on with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ralph Ivan Stephens
Publisher : ASTM International
ISBN 13 :
Total Pages : 345 pages
Book Rating : 4./5 ( download)
Download or read book Fatigue Crack Growth Under Spectrum Loads written by Ralph Ivan Stephens and published by ASTM International. This book was released on 1976 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : JM. Larsen
Publisher :
ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (125 download)
Download or read book Fatigue Crack Propagation and Load Interaction Effects in a Titanium Alloy written by JM. Larsen and published by . This book was released on 2000 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental investigation of load interaction effects in Ti-6Al-2Sn-4Zn-2Mo is presented. Simple variable amplitude loading spectra were applied to test samples, and the crack propagation stress intensity factor, KPR, was subsequently measured. The data were condensed to two equations ("master curves") that describe the influence of an unloading cycle after constant amplitude loading and a single overload cycle, respectively. The results suggest that load interaction effects are caused by residual compressive stresses ahead of the crack front, whereas the influence of crack closure is minor.
Author : D. F. Bryan
Publisher : ASTM International
ISBN 13 :
Total Pages : 246 pages
Book Rating : 4./5 ( download)
Download or read book Effect of Load Spectrum Variables on Fatigue Crack Initiation and Propagation written by D. F. Bryan and published by ASTM International. This book was released on 1980 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. P. Wei
Publisher :
ISBN 13 :
Total Pages : 25 pages
Book Rating : 4.:/5 (227 download)
Download or read book Load and Environment Interactions in Fatigue Crack Growth Under Spectrum Loading written by R. P. Wei and published by . This book was released on 1978 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: The importance of delay (or, retardation in the rate of fatigue crack growth) produced by load interactions in variable-amplitude loading on the accurate prediction of fatigue lives of aircraft and other engineering structures has been recognized for some time and has begun to receive greater attention in recent years. Recent investigations showed that the effects of delay can be quite large, and that these effects need to be taken into account in developing improved fatigue analysis procedures for aircraft and other engineering structures. A number of models (based on the concepts of crack closure, residual stress intensity factor, etc.) have been proposed to account for the effects of delay. These models, while successfully predicting trends in the rate of fatigue crack growth for randomized load spectra, appear to break down for ordered spectra. Several basic problems contributed to the lack of complete success, and needs to be resolved in the development of improved models for predicting load interaction effects (chiefly delay) on fatigue crack growth.
Author :
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (317 download)
Download or read book Influence of Load Interactions on Crack Growth as Related to State of Stress and Crack Closure written by and published by . This book was released on 1985 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. B. Aswath
Publisher :
ISBN 13 :
Total Pages : 45 pages
Book Rating : 4.:/5 (757 download)
Download or read book Load Interaction Effects on Compression Fatigue Crack Growth in Ductile Solids written by P. B. Aswath and published by . This book was released on 1988 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. F. Bryan
Publisher : ASTM International
ISBN 13 : 9780803107205
Total Pages : 256 pages
Book Rating : 4.1/5 (72 download)
Download or read book Effect of Load Variables on Fatigue Crack Initiation and Propagation written by D. F. Bryan and published by ASTM International. This book was released on 1980 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alexander Staroselsky
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (125 download)
Download or read book Temperature and Load Interaction Effects on the Fatigue Crack Growth Rate and Fracture Surface Morphology of IN100 Superalloy written by Alexander Staroselsky and published by . This book was released on 2012 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: A study was conducted to explore some of the load and temperature interaction effects on the fatigue crack growth rate (FCGR) of polycrystalline superalloy IN100. Load interaction testing in the form of single overloads was performed at 316° C and 649° C. Temperature interaction testing was performed by cycling between 316° C and 649° C in blocks of 1, 10, and 100 cycles. After compiling a database of constant temperature, constant amplitude FCGR for IN100, fatigue crack growth predictions assuming no load or temperature interactions were made. Experimental fatigue crack propagation data were then compared with these predictions to assess interaction effects. The fracture mechanisms observed during interaction testing using a scanning electron microscope were compared with the mechanisms present during constant temperature, constant amplitude testing. Overload interaction testing led to full crack retardation at 2.0 x overloads for both 316° C and 649° C testing. Overloading by 1.6 x at both temperatures led to retarded crack growth, whereas 1.3 x overloads at 649° C created accelerated crack growth and at 316° C the crack growth was retarded. One block alternating temperature interaction testing grew significantly faster than the non-interaction prediction, while 10 block alternating temperature interaction testing also grew faster but not to the same extent. One hundred block alternating testing grew slower than non-interaction predictions. Possible explanations for the interaction effects responsible for the observed crack growth acceleration and retardation are discussed.
Author : F. Romeiro
Publisher :
ISBN 13 :
Total Pages : 15 pages
Book Rating : 4.:/5 (125 download)
Download or read book Effect of Overloads and Underloads on Fatigue Crack Growth and Interaction Effects written by F. Romeiro and published by . This book was released on 2004 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: Under constant amplitude loading, a single variable (?K) is required in crack growth relationships. The transferability of fatigue laws, determined under constant amplitude loading, to variable amplitude fatigue requires at least an additional variable, whose evolution with crack length accounts for the interaction effects between cycles of different types. The crack opening level (Kop) is usually employed for this purpose because it can be determined from the experiments and compared with predictions from models or FEM analyses. This paper presents an analysis of fatigue crack growth on M(T) specimens of medium carbon steel specimens and using FEM analyses. The specimens are subjected to repeated blocks of cycles made up of one or several overloads separated by a variable number of baseline cycles. The experiments are simulated by FEM analyses, taking into account the cyclic plastic behavior of the low carbon steel. The main objective of this study is to better understand the mechanisms at the origin of interactions effects due to the presence of overloads (or underloads) at different locations of the block loading. It is concluded that the interaction effects are closely related to the cyclic plastic behavior of the material and namely to the Bauschinger effect.
Author : Peter C. McKeighan
Publisher : ASTM International
ISBN 13 : 0803134797
Total Pages : 588 pages
Book Rating : 4.8/5 (31 download)
Download or read book Fatigue Testing and Analysis Under Variable Amplitude Loading Conditions written by Peter C. McKeighan and published by ASTM International. This book was released on 2005 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt:
