Search Results - "Franklin, F. J."

General management principles and a checklist of strategies to guide forest biodiversity conservation by Lindenmayer, D.B., Franklin, J.F., Fischer, J.

“…Many indicators and criteria have been proposed to assess the sustainable management of forests but their scientific validity remains uncertain. Because the…”
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Subsurface microstructural analysis and mechanical properties of pearlitic rail steels in service by Alwahdi, F.A.M., Kapoor, A., Franklin, F.J.

“…Ductile materials commonly exhibit plastic deformation at and near the contact surface and their flow behaviour at large strain has a clear effect on wear…”
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Twentieth-century decline of large-diameter trees in Yosemite National Park, California, USA by Lutz, J.A., van Wagtendonk, J.W., Franklin, J.F.

“…Studies of forest change in western North America often focus on increased densities of small-diameter trees rather than on changes in the large tree…”
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Modelling thermal effects in ratcheting-led wear and rolling contact fatigue by Widiyarta, I.M., Franklin, F.J., Kapoor, A.

“…Railway rails accumulate severe plastic deformation at the surface as a result of loading by passing wheels. This process of plastic strain accumulation is…”
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Reform forest fire management by North, M. P., Stephens, S. L., Collins, B. M., Agee, J. K., Aplet, G., Franklin, J. F., Fulé, P. Z.

“…Agency incentives undermine policy effectiveness Globally, wildfire size, severity, and frequency have been increasing, as have related fatalities and…”
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Application of the structural articulation method to dynamic impact loading of railway bridges - a case study by Gu, G., Franklin, F. J.

“…This article demonstrates a practical application of the structural articulation method. An existing prototype railway bridge was selected to compare our new…”
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Modelling rail steel microstructure and its effect on crack initiation by Franklin, F.J., Garnham, J.E., Fletcher, D.I., Davis, C.L., Kapoor, A.

“…The quality of rail steel has improved greatly in recent years and the material is more resistant to wear, plastic deformation and crack initiation; but track…”
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Surface roughness and plastic flow in rail wheel contact by Kapoor, A, Franklin, F.J, Wong, S.K, Ishida, M

“…Material in railway rails is loaded repeatedly by the passage of the wheel. The maximum contact pressure which the material can carry elastically in the steady…”
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Three-dimensional modelling of rail steel microstructure and crack growth by Franklin, F.J., Gahlot, A., Fletcher, D.I., Garnham, J.E., Davis, C.

“…▶ Study of the statistics of 3D microstructures generated using the Voronoi method. ▶ Scaling of generated microstructure using grain size measurements from…”
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Rolling contact fatigue and wear behaviour of the infrastar two-material rail by Franklin, F.J., Weeda, G.-J., Kapoor, A., Hiensch, E.J.M.

“…Rolling contact fatigue (RCF) is currently one of the principal limitations of railway infrastructure productivity. Head checks in particular are prevalent in…”
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A structural articulation method for assessing railway bridges subject to dynamic impact loading from track irregularities by Gu, G., Lilley, D. M., Franklin, F. J.

“…This paper discusses the importance of track irregularities in railway bridge design, and presents a new technique for calculating the dynamic impact load…”
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Rate of tree carbon accumulation increases continuously with tree size by Stephenson, N. L., Das, A. J., Condit, R., Russo, S. E., Baker, P. J., Beckman, N. G., Coomes, D. A., Lines, E. R., Morris, W. K., Rüger, N., Álvarez, E., Blundo, C., Bunyavejchewin, S., Chuyong, G., Davies, S. J., Duque, Á., Ewango, C. N., Flores, O., Franklin, J. F., Grau, H. R., Hao, Z., Harmon, M. E., Hubbell, S. P., Kenfack, D., Lin, Y., Makana, J.-R., Malizia, A., Malizia, L. R., Pabst, R. J., Pongpattananurak, N., Su, S.-H., Sun, I-F., Tan, S., Thomas, D., van Mantgem, P. J., Wang, X., Wiser, S. K., Zavala, M. A.

“…A global analysis shows that for most tree species the largest trees are the fastest-growing trees, a finding that resolves conflicting assumptions about tree…”
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Structural features of old-growth Australian montane ash forests by Lindenmayer, D.B., Cunningham, R.B., Donnelly, C.F., Franklin, J.F.

“…We examined structural features of montane ash stands that varied from 15 to 300+ years of age in the Central Highlands of Victoria, south-eastern Australia…”
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The effect of partial slip on the wear rate of rails by Alwahdi, F., Franklin, F.J., Kapoor, A.

“…The tractive force transmitted through the contact of rail and wheel is often lower than the limiting friction force and such contacts are not fully slipping…”
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Tribological layers and the wear of ductile materials by Kapoor, A., Franklin, F.J.

“…Metallic wear occurs by one of the following two mechanisms. Material may extrude out from the sides of the contact giving rise to thin slivers which,…”
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Preliminary investigation of the effect of roughness in Dynarat simulation by Alwahdi, F.A.M., Kapoor, A., Franklin, F.J.

“…Surface roughness has a significant effect on how loads are transmitted at the contact interface between solid bodies. It causes high local pressures in the…”
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major shift to the retention approach for forestry can help resolve some global forest sustainability issues by Lindenmayer, D.B, Franklin, J.F, Lõhmus, A, Baker, S.C, Bauhus, J, Beese, W, Brodie, A, Kiehl, B, Kouki, J, Pastur, G. Martínez, Messier, C, Neyland, M, Palik, B, Sverdrup‐Thygeson, A, Volney, J, Wayne, A, Gustafsson, L

“…Approximately 85% of the global forest estate is neither formally protected nor in areas dedicated to intensive wood production (e.g., plantations). Given the…”
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Ratcheting and fatigue-led wear in rail-wheel contact by FRANKLIN, F. J., CHUNG, T., KAPOOR, A.

“…ABSTRACT A computer model, which simulates the ratcheting wear of a ductile material subject to repeated loading, is presented and discussed in detail…”
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Image analysis to reveal crack development using a computer simulation of wear and rolling contact fatigue by FLETCHER, D. I., FRANKLIN, F. J., KAPOOR, A.

“…ABSTRACT Plastic flow of near‐surface rail material under contact loading is a feature of rail–wheel contact, and severe flow typically leads to both wear, and…”
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Vegetation Responses to Edge Environments in Old-Growth Douglas-Fir Forests by Chen, Jiquan, Franklin, Jerry F., Spies, Thomas A.

“…Forest edges created by dispersed-patch clear-cutting have become a conspicuous landscape feature in western North America, but the effects of edge on forest…”
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