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NTIS 바로가기ASLE transactions : a publication of the society of tribologists and lubrication engineers, v.18 no.2, 1975년, pp.130 - 134
Ritter Jr., J. E. , Wilson, W. R. D.
In testing high strength, elastic materials by the four-point bending method, large deflections can occur. Under these conditions the relationship between load and deflection becomes nonlinear and analyses of results based on simple beam theory may lead to serious errors. Furthermore, friction between the test piece and supports can have an important effect on the results. A numerical analysis is presented which takes into consideration both the nonlinear and frictional effects. The analysis shows that frictional forces can become significant at large deflections and cause an increase in the measured strength. Experimental evidence is given to support these analytical results.
Effect of Polymeric Coatings on Strength of Soda-Lime Glass Ritter J. 1973
Amer. Ceram. Soc. Bull. Coppola J. 278 52 1973
Coppola , J. A. , private communication 1973 .
Am. Ceram. Soc. Bull. Vrooman D. 789 49 1970
Investigation of Ultra High Strength Bulk Glass Teeg R. 1969
Investigation of Ultra High Strength Bulk Glass Teeg R. 1969
Proc. Phys. Soc. Shooter K. 661 65 1952 10.1088/0370-1301/65/9/302
Polakowski , N. H. and Ripling , E. J. Strength and Structure of Engineering Materials , 355 - 59 Prentice-Hall, Inc. , Englewood Cliffs , N.J . ( 1966 ).
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