... Cast austenitic stainless steel 1.4848 is used to manufacture automotive exhaust system components. Low cycle fatigue (LCF) of 1.4848 austenitic steel was investigated through strain controlled fatigue testing at strain rates of 0.02/s, 0.002/s, and 0.0002/s in the temperature range from room...

... in the low cycle fatigue (LCF) region was evaluated for Al-Cu-Mg alloy 7175-T7351 and the data compared with the failure indicators (knee point) during cyclic indentation testing. A reasonable correlation was established between failure life, as indicated by LCF testing and knee point indicated by cyclic...

... is the yellow light of the crack initiation, for instance, in the traffic signal, and orange peel is the red light. The relationship between the observed surface condition and the cyclic stress-strain characteristics is discussed. fatigue damage cyclic stress-strain diagram low cycle fatigue fatigue...

... the distribution of life to failure at all points on the stress against cyclic life curve. low cycle fatigue statistics probability distribution 3-parameter Weibull S-N curve Duncan P. Shepherd1 Joumal of ASTM International, September 2004, Vol. 1, No. 8 Paper ID JAIl 1553 Available online...

... for in- and out-of-phasing and for any arbitrary creep-time per cycle. Results are pplicable to the cyclic life prediction of metal matrix composites using the Ti-15-3 matrix material. metal matrix composites fatigue (metal) thermal fatigue thermomechanical fatigue bithermal fatigue low cycle fatigue...

... for the differences in mean and maximum stresses and strains. This allowed the data in tests of various conditions to be combined for more robust statistical estimates of mean and minimum lives. superalloy powder metallurgy low cycle fatigue inclusions facets Timothy P. Gabb, 2 Peter J. Bonacuse, 2 Louis...

... an improvement in SCC resistance by cyclic pre-straining in low cycle fatigue [1]. This improvement consists of an increase in both strain to failure and crack initiation strain, during Slow Strain Rate Tensile (SSRT) tests in aqueous solution. This paper analyses the effect of pre-fatigue in 316L and copper...

... temperature porosity low cycle fatigue fatigue crack growth constant amplitude variable amplitude fractography Ralph I. Stephens,1 Joshua J. Horn,2 Dente D. Poland,2 and Eric A. Sager2 INFLUENCE OF DENSITY AND POROSITY SIZE AND SHAPE ON FATIGUE AND FRACTURE TOUGHNESS OF HIGH STRENGTH FL4405 P/M STEEL...

... forging. The superior strength and toughness were confirmed with good creep rupture strength. The FATT at the center of low-pressure section was −3‡C with the tensile strength level of 870 MPa. From the results of fracture toughness test, low cycle fatigue test, and isothermal aging test, superior...

... of 50, 100, 300 and 860 appm on both sides. Electron beam welding of Cr16NillMo3Ti resulted in weld cracking for specimens with the highest helium concentration of 860 appm, unlike the 316L-SPH material in similar conditions. A reduction in fatigue life in low cycle fatigue was found to be more...

... applications. expert systems low cycle fatigue high-temperature fatigue life models Monte Carlo simulation test automation fatigue (materials) testing methods data analysis Peter J. Bonacuse 1 A Rule-Based System for Estimating HighTemperature Fatigue Life REFERENCE: Bonacuse, P. J., "A Rule...

... that could cause local fractures and ensuing catastrophic failure of surrounding matrix material. Some experimental data exist for assessing the veracity of the proposed framework. metal matrix composites fatigue (metal) thermal fatigue thermomechanical fatigue bithermal fatigue low cycle fatigue...

... Residual mechanical properties have been determined in tension at low (∼0.0035 s −1 ), medium (∼10 s −1 ), and high strain rates (∼1000 s −1 ), at 550°C, of American Iron and Steel Institute (AISI) 316H having previously been subjected to increasing degrees of damage by creep, low cycle fatigue...

... properties tensile properties impact toughness fracture toughness fatigue creep-fatigue fatigue with hold time low cycle fatigue STP1046-EB/May 1990 Ali Asghar Tavassoli1 Effect of Neutron Radiation on Mechanical Properties of Permanent Near Core Structures REFERENCE: Tavassoli, A. A., "Effect...

.... low cycle fatigue aluminum alloys microstructure hysteresis loop Y. S. Chung^ and A. Abel^ Low Cycle Fatigue of Some Aluminum Alloys KBFERENCE: Chung, Y. S. and Abel, A., "Low Cyde Fatigue of Some Ahunfamm AOoya,"Low Cycle Fatigue, ASTMSTP 942, H. D. Solomon, G. R. Halford, L. R. Kaisand, and B...

... Smooth and through-thickness cracked specimens of JIS S35C medium carbon and SNCM 439 alloy steels, heat-treated in several conditions, were low cycle fatigued. The growth rates of small surface and through-thickness large cracks, da/dN , were analyzed in terms of the cyclic J -integral range...

... Mapping of low cycle fatigue mechanisms at elevated temperatures is attempted for a better understanding of the elevated temperature, low cycle fatigue behavior of an austenitic stainless steel. Results of strain-controlled, uniaxial low cycle fatigue tests on a solution-treated Type 310...

... This research was conducted to identify, understand, and model the interactions of oxidation and low cycle fatigue (LCF) in a single crystal nickel-base superalloy, René N4. The LCF testing was conducted at 1093°C (2000°F) in three test environments: purified helium (<1 ppm oxygen...

... which allows inter- or extrapolation to the thermal load experienced in various practical applications. Isothermal, low cycle fatigue testing was performed mainly at 500 and 600°C and also to a limited amount at 80, 300, and 750°C. The material was tempered to three different hardness levels (43, 47...

... The low-cycle fatigue (LCF) behavior of Waspaloy was studied in uniaxial and torsional loading for two heat treatments at 24 and 649°C. It was shown that for both heat treatments deformation and failure mechanisms were independent of stress state at 24°C. Deformation occurred by precipitate...