Search Results - "Ståhle, P."

The fracture mechanics in cutting: A comparative study on hard and soft polymeric materials by Spagnoli, A., Terzano, M., Brighenti, R., Artoni, F., Ståhle, P.

“…•Experiments on cutting of polymers, with brittle and soft hyperelastic behavior.•Steady state cutting of a sharp thin blade into a thin plate.•Insertion force…”
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Delayed hydride cracking of Zr-2.5%Nb pressure tube material due to partially constrained precipitates by Murty, T. Narayana, Singh, R.N., Ståhle, P.

“…Formation of partially constrained precipitates such as hydride blisters and oxide nodules have been reported on surfaces of Zr-alloy components of pressurised…”
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A fracture mechanics model to study indentation cutting by Terzano, M., Spagnoli, A., Ståhle, P.

“…Many cutting processes, such as chopping, slicing, and carving, consist in 2 different stages: an initial stage of indentation, in which the cutting tool is…”
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Weibull triaxiality: A novel constraint assessment parameter for cleavage fracture in ductile to brittle transition region by Tiwari, A., Singh, R.N., Ståhle, P.

“…The cleavage fracture probability of ferritic and ferritic/martensitic steels is generally computed using Beremin's model. In this work, a novel approach is…”
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Influence of feed viscosity on the two-phase flow inside the exit orifice of an effervescent atomizer and on resulting spray characteristics by Stähle, P., Gaukel, V., Schuchmann, H.P.

“…The effervescent atomizer, originally developed for combustion applications, is reported to atomize viscous liquids into small drops at low working costs. This…”
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Influence of stress field of expanding and contracting plate shaped precipitate on hydride embrittlement of Zr-alloys by SINGH, R. N, KHANDELWAL, H. K, BIND, A. K, SUNIL, S, STAHLE, P

“…The stress fields of expanding (precipitation) and contracting (dissolution) hydride plates were computed by finite element method using Zr–H solid solution…”
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Effect of direction of approach of test temperature on fracture toughness of Zr–2.5Nb pressure tube material by Singh, R.N., Bind, A.K., Khandelwal, H.K., Rath, B.N., Sunil, S., Ståhle, P., Chakravartty, J.K.

“…Previous work by one of the authors reported the stress-field for a fully-constrained hydride embedded in matrix computed using finite element method to…”
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Influence of hydrogen content on fracture toughness of CWSR Zr–2.5Nb pressure tube alloy by Singh, R.N., Bind, A.K., Srinivasan, N.S., Ståhle, P.

“…In this work, influence of hydrogen and temperature on the fracture toughness parameters of unirradiated, cold worked and stress relieved (CWSR) Zr–2.5Nb…”
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EXPERIENCES FROM THE PROJECT COURSE IN GEOINFORMATICS by Haggrén, H., Ståhle, P., Vaaja, M., Rönnholm, P., Sarkola, P., Rautiainen, M., Nordman, M., Nikander, J.

“…The aim of this paper is to share our experiences and thoughts about a project course in geoinformatics. The course has been organised annually since 2017. We…”
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Crack kinking under high pressure in an elastic-plastic material by ISAKSSON, P, STAHLE, P

“…Directional crack growth criteria in compressed elastic–plastic materials are considered. The conditions at the crack tip are evaluated for a straight…”
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Influence of loading rate and hydrogen content on fracture toughness of Zr-2.5Nb pressure tube material by Bind, A.K., Singh, R.N., Khandelwal, H.K., Sunil, S., Avinash, G., Chakravartty, J.K., Ståhle, P.

“…For the safety assessment of PHWR, it is required to study the flaw tolerance capacity of the pressure tubes as a function of the loading rate. In this work,…”
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Temperature dependence of misfit strains of δ-hydrides of zirconium by Singh, R.N., Ståhle, P., Massih, A.R., Shmakov, A.A.

“…The misfit strains of both the isotopic forms of zirconium hydrides, viz., δ-ZrH x and δ-ZrD x , precipitated in zirconium were computed in the temperature…”
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Threshold stress intensity factor for delayed hydride cracking in Zr–2.5%Nb pressure tube alloy by Singh, R.N., Ståhle, P., Chakravartty, J.K., Shmakov, A.A.

“…Delayed hydride cracking (DHC) velocity was determined at 203, 227, 250 and 283 °C using 17 mm width curved compact toughness specimens machined from an…”
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Spontaneous fracture of growing precipitates with large misfit strain by Ståhle, P., Singh, R. N., Banerjee, S.

“…Precipitates that form as a result of phase transformation are studied with regard to mechanical behaviour and initiation of internal cracks. The focus is on…”
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Influence of hydrogen content on impact toughness of Zr–2.5Nb pressure tube alloy by Singh, R.N., Viswanathan, U.K., Kumar, Sunil, Satheesh, P.M., Anantharaman, S., Chakravartty, J.K., Ståhle, P.

“…► For the first time impact behaviour of Zr–2.5Nb pressure tube material used in Indian Pressurized Heavy Water Reactor (IPHWR) as a function of hydrogen…”
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Influence of temperature on threshold stress for reorientation of hydrides and residual stress variation across thickness of Zr–2.5Nb alloy pressure tube by Singh, R.N., Lala Mikin, R., Dey, G.K., Sah, D.N., Batra, I.S., Ståhle, P.

“…Threshold stress, σ th, for reorientation of hydrides in cold worked and stress-relieved (CWSR) Zr–2.5Nb pressure tube material was determined in the…”
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Deteriorated turbulent heat transfer (DTHT) of gas up-flow in a circular tube: Experimental data by Lee, J.I., Hejzlar, P., Saha, P., Stahle, P., Kazimi, M.S., McEligot, D.M.

“…The major focus of this paper is to present experimental data, collected for three gases – nitrogen, helium, and carbon dioxide, at the deteriorated turbulent…”
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On-Line Monitoring of Environment-Assisted Cracking in Nuclear Piping Using Array Probe Direct Current Potential Drop by Yoon, J. Y., Kim, Y., Choi, S., Nam, W. C., Hwang, I. S., Bromberg, L., Stahle, P. W., Ballinger, R. G.

“…A direct current potential drop method utilizing array probes with measurement ends maintaining an equalized potential designated as equi-potential switching…”
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Mode II crack paths under compression in brittle solids – a theory and experimental comparison by Isaksson, P., Ståhle, P.

“…A study of crack propagation paths in the situation where the crack is suppressed to open during growth due to high compressive forces has been performed. This…”
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Characterization of Complex Fluids at Very Low Frequency: Experimental Verification of the Strain Rate-Frequency Superposition (SRFS) Method by Kowalczyk A., Hochstein B., Stähle P., Willenbacher N.

“…Strain rate frequency superposition (SRFS) has been suggested as new method to extend the frequency range for assessment of the complex storage modulus G* of…”
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