NDLI: Theoretical study on Manson-Coffin equation for physically short cracks and lifetime prediction

Content Provider	Springer Nature Link
Author	Hu, YanDong Hu, ZhiZhong Cao, ShuZhen
Copyright Year	2011
Abstract	The Manson-Coffin equation has been widely applied to the prediction of fatigue lifetime. But this equation does not explicitly express the relation between the fatigue lifetime and the crack length. The present paper proposes that the grain size can be replaced by the maximum non-damaging crack length. Thus, the growth rate will decrease to zero when the crack reaches this size. Combining with the theory of the fatigue short crack propagation, we derived the relations between physically short crack’s initiation-propagation rates and material’s mechanical properties, as well as crack length, stress and strain. With the derived relations, fatigue lifetime of short cracks can be successfully predicted by basic mechanical properties. Similar to the format of Manson-Coffin equation, our relations uncover the essence of Manson-Coffin equation which may reveal the short crack’s initiation-propagation mechanism. Predictions of fatigue lifetime using our relations were compared with the results of well-known experiments. Good agreement is found in many aspects, such as coefficients, exponents, as well as fatigue lifetimes, especially for short cracks around 10 micrometers. Predictions on the short crack propagation rates are also compared for 16 types of carbon steels. Satisfactory consistency shows that our relations have wide applicability.
Starting Page	34
Ending Page	42
Page Count	9
File Format	PDF
ISSN	16747321
Journal	Science in China Series E: Technological Sciences
Volume Number	55
Issue Number	1
e-ISSN	18691900
Language	English
Publisher	SP Science China Press
Publisher Date	2011-09-19
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	fatigue short crack crack initiation lifetime prediction mechanical properties Engineering
Content Type	Text
Resource Type	Article
Subject	Engineering Materials Science

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Lifetime modelling of fatigue crack initiation from casting defects.

An Experimental Study on Low-Cycle Fatigue Crack Initiation Life Prediction of Powder Superalloy FGH96 Based on the Manson-Coffin and Damage Mechanics Methods

Model for fatigue life prediction of titanium alloys. Part 1. Elaboration of a model of fatigue life prior to initiation of microstructurally short crack and a propagation model for physically short and long cracks

Local Crack-Tip Strain Concept for Fatigue Crack Initiation and Propagation

Effect of Stress Ratio on Short Fatigue Crack Growth

A Simple and Efficient Reformulation of the Classical Manson–Coffin Curve to Predict Lifetime Under Multiaxial Fatigue Loading—Part II: Notches

A Simple and Efficient Reformulation of the Classical Manson–Coffin Curve to Predict Lifetime Under Multiaxial Fatigue Loading—Part I: Plain Materials

A Theory of Fatigue Crack Initiation in Solids

A Weakest-Link Model for the Prediction of Fatigue Crack Growth Rate

Theoretical study on Manson-Coffin equation for physically short cracks and lifetime prediction

Similar Documents

Lifetime modelling of fatigue crack initiation from casting defects.

An Experimental Study on Low-Cycle Fatigue Crack Initiation Life Prediction of Powder Superalloy FGH96 Based on the Manson-Coffin and Damage Mechanics Methods

Model for fatigue life prediction of titanium alloys. Part 1. Elaboration of a model of fatigue life prior to initiation of microstructurally short crack and a propagation model for physically short and long cracks

Local Crack-Tip Strain Concept for Fatigue Crack Initiation and Propagation

Effect of Stress Ratio on Short Fatigue Crack Growth

A Simple and Efficient Reformulation of the Classical Manson–Coffin Curve to Predict Lifetime Under Multiaxial Fatigue Loading—Part II: Notches

A Simple and Efficient Reformulation of the Classical Manson–Coffin Curve to Predict Lifetime Under Multiaxial Fatigue Loading—Part I: Plain Materials

A Theory of Fatigue Crack Initiation in Solids

A Weakest-Link Model for the Prediction of Fatigue Crack Growth Rate

Theoretical study on Manson-Coffin equation for physically short cracks and lifetime prediction