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- van Leeuwen, Ger (author) report 1962
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- van Leeuwen, J.L. (author), Wardenier, J. (author) report 1982
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- van Leeuwen, Ger (author) report 1970
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van Leeuwen, H.P. (author)The concept of fugacity is explained. Application of compressibility and fugacity data in hydrogen embrittlement calculations is discussed. Equations of state are reviewed. Compressibility factors and fugacity coefficients are calculated. A best estimate is proposed.report 1983
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Schra, L. (author), van Leeuwen, H.P. (author)The effect of variety of heat treatments on various engineering properties was studied with the aim to derive an optimum heat treatment. The engineering properties comprised Vickers hardness, short-time tensile strength, fatigue crack propagation resistance, fracture toughness and stress corrosion resistance. The test results were compared with...report 1976
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- van Leeuwen, Ger (author) report 1969
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- Vleeshakker, A.D. (author), Montagne, R.C. (author), van Leeuwen, E.E. (author) report 2008
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- van Leeuwen, F. (author) report 2011
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Schra, L. (author), van Leeuwen, H.P. (author)The influence of previous corrosion on the fatigue life was investigated. It was foimd that a slight corrosive attack could drastically reduce the fatigue life. The damaging effect of corrosion was greater for the alloy AA 7050 than for AZ 74.61. It could be established that fatigue cracks initiated from various corrosion pits. A second series...report 1977
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- van Leeuwen, Ger (author) report 1969
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van Leeuwen, H.P. (author), Schra, L. (author)Material from forgings rejected after cracking in service was given a variety of heat treatments. Material aged to peak hardness was susceptible to SCC at all ageing temperatures. Overageing at temperatures around 160° C imparted a significant increase in SCC resistance while useful strength was retained. An additional one week ageing at 160° C...report 1973
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- van Leeuwen, Ger (author) report 1964
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Schra, L. (author), van der Vet, W.J. (author), van Leeuwen, H.P. (author)Porgings were given a variety of heat treatments after which hardness, static tensile properties, fatigue properties, fracture toughness and stress corrosion resistance were determined. Microstructures were studied in the electron mcroscope using the thinfoil technique. The effect of heat treatment on the microstructure could be explained on the...report 1972
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van Leeuwen, H.P. (author)Delayed failure test results for hydrogenated and cadmium plated specimens, tested by Johnson, Korlet and Troiano, have been analyzed on the basis of equations developed by the author. It is found that in a non-homogeneous stress field the hydrogen diffuses to and accumulates at the elastic-plastic interface. The local hydrogen concentration...report 1972
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- van Leeuwen, Ger (author) report 1970
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- Hogewoning, A.J. (author), van Leeuwen, H.J. (author) report 1992
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- van Leeuwen, Ger (author) report 1973
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- Scholte, H.G. (author), van Leeuwen, R.T. (author) report 1977
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- van Leeuwen, Ger (author) report 1964
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- van Leeuwen, Ger (author) report 1967