Search Results - "Hanninen, H."

Formation of shear bands and strain-induced martensite during plastic deformation of metastable austenitic stainless steels by Talonen, J., Hänninen, H.

“…Formation of shear bands and strain-induced ε- and α′-martensite phases during tensile deformation of austenitic stainless steels was studied. Stacking fault…”
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Climate warming and the risk of frost damage to boreal forest trees: identification of critical ecophysiological traits by Hanninen, H

“…According to a hypothesis presented in the mid-1980s, climate warming will, paradoxically, increase the risk of frost damage to trees in the boreal and…”
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Models of the spring phenology of boreal and temperate trees: is there something missing? by Linkosalo, T, Hakkinen, R, Hanninen, H

“…According to prevailing theory, air temperature is the main environmental factor regulating the timing of bud burst of boreal and temperate trees. Air…”
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Acclimation of photosynthetic capacity in Scots pine to the annual cycle of temperature by Mäkelä, Annikki, Hari, Pertti, Berninger, Frank, Hänninen, Heikki, Nikinmaa, Eero

“…Coniferous trees growing in the boreal and temperate zones have a clear annual cycle of photosynthetic activity. A recent study demonstrated that the seasonal…”
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Impact toughness properties of nickel-free austenitic stainless steels by Milititsky, M., Matlock, D.K., Regully, A., Dewispelaere, N., Penning, J., Hanninen, H.

“…The Charpy-V impact toughness of six interstitially-alloyed nickel-free austenitic stainless steels was investigated in the temperature range between −196 and…”
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Investigation of microstructure changes in ODS-EUROFER after hydrogen loading by Emelyanova, O.V., Ganchenkova, M.G., Malitskii, E., Yagodzinskyy, Y.N., Klimenkov, M., Borodin, V.A., Vladimirov, P.V., Lindau, R., Möslang, A., Hänninen, H.

“…The effect of hydrogen on the microstructure of mechanically tested ODS-EUROFER steel was investigated by means of transmission electron microscopy, thermal…”
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Effect of MnS inclusion dissolution on carbon steel stress corrosion cracking in fuel-grade ethanol by Torkkeli, J., Saukkonen, T., Hänninen, H.

“…•We measured MnS dissolution rates in fuel-grade ethanol with hydrochloric and acetic acid.•We measured the dissolution rate of MnS inclusion inside…”
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Strain accumulation during microstructurally small fatigue crack propagation in bcc Fe-Cr ferritic stainless steel by Malitckii, E., Remes, H., Lehto, P., Yagodzinskyy, Y., Bossuyt, S., Hänninen, H.

“…Strain accumulation was studied by digital image correlation technique (DIC) during microstructurally small fatigue crack propagation in polycrystalline 18%Cr…”
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Thermodynamic modeling of the stacking fault energy of austenitic steels by Curtze, S., Kuokkala, V.-T., Oikari, A., Talonen, J., Hänninen, H.

“…The stacking fault energies (SFE) of 10 austenitic steels were determined in the temperature range 50 ⩽ T ⩽ 600 K by thermodynamic modeling of the…”
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Highly mobile twinned interface in 10 M modulated Ni―Mn―Ga martensite: Analysis beyond the tetragonal approximation of lattice by STRAKA, L, HECZKO, O, SEINE, H, LANSKA, N, DRAHOKOUPIL, J, SOROKA, A, FÄHLER, S, HÄNNINEN, H, SOZINOV, A

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Strain localization in copper canister FSW welds for spent nuclear fuel disposal by Forsström, A., Bossuyt, S., Yagodzinskyy, Y., Tsuzaki, K., Hänninen, H.

“…Spent nuclear fuel disposal in copper canisters in a deep geologic repository is planned in Finland and Sweden. The purpose of the copper shell is to perform…”
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Effects of photoperiod and temperature on the timing of bud burst in Norway spruce (Picea abies) by Partanen, J, Koski, V, Hanninen, H

“…W examined the effects of several photoperiod and temperature regimes imposed during the winter-spring period on the timing of bud burst in rooted cuttings of…”
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Temperature dependence of single twin boundary motion in Ni-Mn-Ga martensite by Straka, L., Hänninen, H., Heczko, O.

“…Magnetic-field-induced reorientation in Ni-Mn-Ga five-layered martensite (10 M) mediated by the motion of single twin boundary was evaluated from magnetization…”
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One-loop corrections to light cone wave functions: The dipole picture DIS cross section by Hänninen, H., Lappi, T., Paatelainen, R.

“…We develop methods to perform loop calculations in light cone perturbation theory using a helicity basis, refining the method introduced in our earlier work…”
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Hydrogen effects on mechanical properties of 18%Cr ferritic stainless steel by Malitckii, E., Yagodzinskyy, Y., Lehto, P., Remes, H., Romu, J., Hänninen, H.

“…Role of microstructure in susceptibility of 18Cr ferritic stainless steel to hydrogen embrittlement was studied. Specimens of the studied steel were charged…”
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Quantifying the Effectiveness of Patterning, Test Conditions, and DIC Parameters for Characterization of Plastic Strain Localization by Forsström, A., Bossuyt, S., Scotti, G., Hänninen, H.

“…Digital image correlation, commonly referred to as DIC, enables full-field measurements of displacements and strains from a surface of interest. While DIC…”
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Behavior of small cracks under negative stress ratio fatigue loading by Roiko, A., Solin, J., Hänninen, H.

“…•Small fatigue cracks, initiate quickly and then grow very slowly.•ΔK+ works well to compare small fatigue crack growth rates in the studied steel.•Crack…”
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Multimodality MR imaging assessment of myocardial viability: combination of first-pass and late contrast enhancement to wall motion dynamics and comparison with FDG PET-initial experience by Lauerma, K, Niemi, P, Hänninen, H, Janatuinen, T, Voipio-Pulkki, L M, Knuuti, J, Toivonen, L, Mäkelä, T, Mäkijärvi, M A, Aronen, H J

“…To combine three magnetic resonance (MR) imaging modalities-dobutamine stress cine, first pass, and late contrast material-enhanced T1-weighted imaging-and to…”
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Comparison of current density viability imaging at rest with FDG-PET in patients after myocardial infarction by Goernig, M, Haueisen, J, Schreiber, J, Leder, U, Hänninen, H, Mäkelä, T, Takala, P, Nenonen, J, Lauerma, K, Knuuti, J, Mäkijärvi, M, Toivonen, L, Katila, T

“…Abstract The assessment of myocardial viability is a major diagnostic challenge in patients with coronary artery disease (CAD) after myocardial infarction…”
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Temperature dependence of twinning stress of Type I and Type II twins in 10M modulated Ni–Mn–Ga martensite by Straka, L., Soroka, A., Seiner, H., Hänninen, H., Sozinov, A.

“…[Display omitted] We measure the temperature dependence of twinning stress in alloys with composition between Ni50Mn28Ga22 and Ni50Mn29Ga21 in the temperature…”
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