...-dependent creep process have also been studied. Possible modifications to the existing models have been suggested for the stress ranges investigated. 17 10 1995 20 02 1996 fatigue (materials) fatigue life prediction cyclic loadings mean stresses cycle-dependent creep References...

... test procedure were found to have no substantial effect on the threshold behavior. At very low Δ K levels, crack growth rates were apparently dependent on environmental effects and the degree of plastic constraint. fatigue (materials) crack propagation stainless steel crack growth threshold...

... propagation,cryogenics, mechanicalproperties, fatigue (materials), low temperature tests, martensitic phase transformation, stainlesssteels Materials Nine stainless steel alloy plates with an Fe-18Cr-10Ni base were tested. These plates had a nominal base composition falling within the limits set by the ASTM...

..., based on thin film sputtering technology, is expected to enable researchers to conduct fatigue and fracture mechanics testing in various adverse high-temperature environments. fatigue (materials) crack propagation sputtering thin film computer high temperature Krak-Gage® deposition transducer...

... with those found in the literature. fatigue (materials) crack propagation threshold stress intensity factor auto-decreasing K tests backface strain compliance stabilizing device electromagnetic resonance type machine References Jerram , K. and Priddle , E. K. , “ System...

... of the average physical crack lengths measured from profiles on fractured specimens. fatigue (materials) crack propagation measurement crack length 2024 aluminum References Saxena , A. and Hudak , S. J. , “ Review and Extension of Compliance Information for Common Crack Growth Specimens...

... System [UNS] S31600) stainless steel, crosses, tees, and seals. fatigue (materials) tubes high pressure tests fatigue of high pressure tubing fatigue of high pressure crosses life of high pressure seals References Morrison , J. L. M. , Crossland , B. , and Parry , J. S. C...

..., but relaxation of the limit (≯ 0.1) is difficult to recommend because of lack of relevant data. fatigue (materials) standards crack initiation test specimens K Ic fracture toughness References Brown , W. F.   Jr. and Srawley , J. E. , “ Commentary on Present Practice ,” in Review...

... the surface of the specimen or part. fatigue (materials) residual stress shot peening self stress mean stress crack arrest strength prediction References Almen , J. O. , “ Fatigue Failures are Tensile Failures ,” Product Engineering , Vol. 22 , No. 3 , 03 1951 , pp. 101 - 124...

... decades. An extrapolation was made for an equal interval to 10 11 cycles. It is proposed that the techniques developed in this paper can be used to generate fatigue data for design of structures using austenitic stainless steels. fatigue (materials) strains stress cycle damage life prediction 316...

... no personal supervision or special specimen preparation and thus would be available for obtaining fatigue crack growth results from test specimens that are subjected to adverse environments which preclude the use of visual measurements. fatigue (materials) crack propagation modulus of elasticity...

... for by an effective stress intensity factor range concept. Marked reductions in growth rate produced by variable amplitude loading of the IMI 318 could not be explained in terms of crack closure. fatigue (materials) crack propagation closures titanium alloys crack opening displacement potential drop variable...

... that correlations are good. Analysis of data from eight other investigators clearly points out the validity and the usefulness of this type of prediction. erosion cavitation predictions fatigue (materials) incubation period correlations intensities interaction liquid impact failure rotating disk...

... approach, proposed by the author, is discussed briefly. fatigue (materials) cyclic loads stresses fatigue criteria chronological survey critique and comparison References Brown , M. W. and Miller , K. J. , “ A Theory for Fatigue Failure under Multiaxial Stress-Strain Conditions...

... fatigue (materials) fracture mechanics creep properties stresses strains plastic cycling References Paris , P. C. and Erdogan , F. E. , Journal of Basic Engineering, Series D of the Transactions of ASME , Vol. 85 , 1963 , pp. 528 - 534 . Sadananda , K...

... break-in period for welded components is feasible and thermal stress relieving is not. fatigue limit welded joints fatigue (materials) understressing coaxing thermal stress relief steel strain-aging References Manson , S. S. , “ Avoidance, Control, and Repair of Fatigue Damage...

... and of calculating effective area and volume is presented. fatigue (materials) statistical analysis Weibull density functions scatter size effect life prediction failure probability effective area effective volume finite elements steels References Peterson , R. E. , “ Fatigue Tests...

... to 0 or 0.5; and within ±3% for 0.2 ≤ a/W ≤ 1 for all r 1 / r 2 and 0 ≤ X/W ≤ 1. The accuracy of this expression will allow expanded use of the C-shaped specimen for crack growth resistance curve determination and fatigue crack growth rate testing. stress cracking tests fatigue (materials...

... growth rate. This ability to interpolate easily between load ratios and to provide accurate fatigue life predictions makes the model an asset to design and reliability analyses. fatigue (materials) crack propagation stresses stress intensity model threshold 2219-T851 aluminum load ratio...

... of undimpled to dimpled fatigue strength is 0.95 at 10 6 cycles to failure. However, at the lower pressure, and at the same life, the ratio drops to 0.77. fatigue (materials) dimpling fretting References Shewchuk , J. and Roberts , F. A. , “ Increasing the Fatigue Strength of Loaded...