Zobrazeno 1 - 10
of 34
pro vyhledávání: '"R. L. Woodward"'
Publikováno v:
International Journal of Impact Engineering. 24:445-456
Ballistic tests were conducted using hard-steel cylinders of two diameters and three nose shapes against glass-fibre-reinforced plastic (GRP) composite plates of various thicknesses. The data when plotted as energy to penetrate as a function of targe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::010a408e820af0c358796a640fed611f
https://doi.org/10.1016/s0734-743x(99)00175-x
https://doi.org/10.1016/s0734-743x(99)00175-x
Autor:
R. L. Woodward, R. G. O'Donnell
Publikováno v:
Journal of Materials Science. 35:4319-4324
A 95wt%W 3.5wt%Ni 1.5wt%Fe alloy is strained to failure in uniaxial tension at temperatures in the range −100°C to 300°C. The fracture surfaces of the tensile specimens are examined and the contributions from the fracture mechanisms: tungsten-tun
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b701e8d188b67a5bddba782a9e3b1001
https://doi.org/10.1023/a:1004840503664
https://doi.org/10.1023/a:1004840503664
Autor:
R. L. Woodward, R. G. O'Donnell
Publikováno v:
Journal of Materials Science. 35:4067-4072
Quantitative metallographic methods are used to relate alloy ductility to microstructural fracture mechanisms for ten tungsten-nickel-iron alloys with Ni/Fe ratios of 7 : 3 and 1 : 1 and over the tungsten composition range 87.5 to 97.5 weight percent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec447d4011ee27ae83318662bf1cd9ce
https://doi.org/10.1023/a:1004886221158
https://doi.org/10.1023/a:1004886221158
Publikováno v:
Journal of Materials Science. 33:1845-1850
High speed cine techniques have been used to examine the perforation of thin targets constructed of glass fibre reinforced plastic (GRP), Spectra (Allied Signal) and Kevlar (Du Pont) composites as well as nylon and Kevlar fabrics. From the film recor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77fb44366286cfb9ce48b08902bcfeb4
https://doi.org/10.1023/a:1004301220836
https://doi.org/10.1023/a:1004301220836
Shear wave velocity structure in North America from large-scale waveform inversions of surface waves
Publikováno v:
Journal of Geophysical Research: Solid Earth. 101:15969-15986
A two-step nonlinear and linear inversion is carried out to map the lateral heterogeneity beneath North America using surface wave data. The lateral resolution for most areas of the model is of the order of several hundred kilometers. The most obviou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6591b451df3e7d2cedabdf931d4d84d9
https://doi.org/10.1029/96jb00809
https://doi.org/10.1029/96jb00809
Publikováno v:
International Journal of Impact Engineering. 15:605-618
Summary Experiments in which both confined and unconfined ceramic targets are perforated by pointed and blunt projectiles are described, and a correlation is established between increased degree of fragmentation and reduced ceramic toughness. Front c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e817ce20546e184e9b5ca36efe81fb1
https://doi.org/10.1016/0734-743x(94)90122-2
https://doi.org/10.1016/0734-743x(94)90122-2
Publikováno v:
Composites Engineering. 4:329-341
Tests on ballistic penetration, quasi-static and dynamic constrained compression tests and tensile tests are reported for glass-reinforced plastic (GRP), Kevlar®, nylon and polyethylene composites. Sectioning of tested samples allowed deformation me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f8b50b505894242333419faf02d6bcb
https://doi.org/10.1016/0961-9526(94)90083-3
https://doi.org/10.1016/0961-9526(94)90083-3
Autor:
R. L. Woodward, B.J. Baxter
Publikováno v:
International Journal of Impact Engineering. 15:119-124
Summary This work presents data on the penetration of high quality 99.5% alumina tiles backed with “semi-infinite” metal plates by both sharp and blunt tungsten alloy and hard steel projectiles. The three metallic backing materials used are an al
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::38de8e61638ea7c6c7518651f160a219
https://doi.org/10.1016/s0734-743x(05)80024-7
https://doi.org/10.1016/s0734-743x(05)80024-7
Publikováno v:
Journal of Materials Science. 27:6411-6416
Experiments are described on (i) the simple Taylor test where a flat-ended projectile mushrooms against a semi-infinite “rigid target”, (ii) penetration of conically tipped cylindrical projectiles into semi-infinite targets, (iii) the use of modi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8fe763b7fb7e920043fa0cbbc88e47e
https://doi.org/10.1007/bf00576292
https://doi.org/10.1007/bf00576292
Publikováno v:
Journal of Materials Science. 27:6490-6494
The effect of sinter duration on the tensile strength and ductility in tension of a 95%W-3.5%Ni-1.5%Fe alloy was shown to be negligible. The alloy showed a broad ductile to brittle transition as the testing temperature was reduced below 100°C, and t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39eb54cd320c1c452c911a4533462bfc
https://doi.org/10.1007/bf00576302
https://doi.org/10.1007/bf00576302