Engineering topics
Manson, S. S.
Publications and source records attributed to Manson, S. S..
Further investigation of a relation for cumulative fatigue damage in bending.
Cumulative rotating bending fatigue damage in steels and in an aluminum alloy
Interpretive report on cumulative fatigue damage in the low cycle range
Optimization of palmgren-miner determinations of cumulative fatigue damage
Fatigue behavior in strain cycling in the low- and intermediate-cycle range.
Elastic and plastic cyclic strain effects on fatigue characteristics of steel, aluminum, titanium, beryllium and high temperature alloys
FATIGUE BEHAVIOR OF MATERIALS UNDER STRAIN CYCLING IN LOW AND INTERMEDIATE LIFE RANGE
Fatigue testing of metals and alloys - strain cycling in low and intermediate life range
The Extrapolation of Families of Curves by Recurrence Relations, with Application to Creep-Rupture Data
A method using finite-difference recurrence relations is presented for direct extrapolation of families of curves. The method is illustrated by applications to creep-rupture data for several materials and it is shown that good results can be obtained without the necessity for any of the usual parameter concepts.
Optimization of Parametric Constants for Creep-Rupture Data by Means of Least Squares
An objective method utilizing least squares is presented for the determination of the optimum parametric constants for stress-rupture data. The method is applied to both isostress and isothermal data for the parameters proposed by Larson and Miller, Manson and Haferd, and by Dorn. Several examples are treated in detail, and it was found that the method gives good results. It is shown that the values of the constants for the parameter proposed by Manson and Haferd are not critical as long as Ta and log ta appear in the proper combination. In addition to optimization, the chief utility of the method lies in the fact that it gives the same results for a given set of data no matter who makes the analysis, which is not the case for the graphical methods presently employed.
Practical Solution of Plastic Deformation Problems in Elastic-Plastic Range
A practical method for solving plastic deformation problems in the elastic-plastic range is presented. The method is one of successive approximations and is illustrated by four examples which include a flat plate with temperature distribution across the width. a thin shell with axial temperature distribution, a solid cylinder with radial temperature distribution, and a rotating disk with radial temperature distribution.
Effect of rotating stall on compressor blade vibration
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Effect of rotating stall on compressor blade vibration
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Effect of rotating stall on compressor blade vibration
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DETERMINATION OF STRESSES IN GAS-TURBINE DISKS SUBJECTED TO PLASTIC FLOW AND CREEP
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Investigation of Rim Cracking in Turbine Wheels with Welded Blades
Rim cracking in turbine wheels with welded blades was evaluated. The problem is explained on the basis of the occurrence of plastic flow in the rim during transient starting conditions when thermal compressive stresses resulting from high-temperature gradients exceed the proportional elastic limit of the material.