Search Results - "Karjalainen, P. P."

Quantitative three-dimensional collagen orientation analysis of human meniscus posterior horn in health and osteoarthritis using micro-computed tomography by Karjalainen, V.-P., Kestilä, I., Finnilä, M.A., Folkesson, E., Turkiewicz, A., Önnerfjord, P., Hughes, V., Tjörnstrand, J., Englund, M., Saarakkala, S.

“…Knee osteoarthritis (OA) is associated with meniscal degeneration that may involve disorganization of the meniscal collagen fiber network. Our aims were to…”
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Safety and efficacy of combined antiplatelet-warfarin therapy after coronary stenting by Karjalainen, Pasi P., Porela, Pekka, Ylitalo, Antti, Vikman, Saila, Nyman, Kai, Vaittinen, Mari-Anne, Airaksinen, Tuukka J., Niemelä, Matti, Vahlberg, Tero, Airaksinen, K.E. Juhani

“…Aim The aim of this study was to evaluate the antithrombotic treatment adopted after coronary stenting in patients requiring long-term anticoagulation. Methods…”
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Strain rate and mechanical stability in determining deformation behavior of beta Ti alloys by Sadeghpour, S., Javaheri, V., Bruschi, S., Kömi, J., Karjalainen, P.

“…The effect of strain rate on flow behaviors of three beta Ti alloys with different beta phase stability was studied. The alloys were subjected to compression…”
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Microstructures and mechanical properties of three medium-Mn steels processed via quenching and partitioning as well as austenite reversion heat treatments by Kantanen, P., Anttila, S., Karjalainen, P., Latypova, R., Somani, M., Kaijalainen, A., Kömi, J.

“…In order to establish the processing conditions to achieve the target of tensile strength of ∼1500 MPa with minimum retained austenite (RA) fraction of 10% in…”
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3D analysis and grading of calcifications from ex vivo human meniscus by Hellberg, I., Karjalainen, V.-P., Finnilä, M.A.J., Jonsson, E., Turkiewicz, A., Önnerfjord, P., Hughes, V., Tjörnstrand, J., Englund, M., Saarakkala, S.

“…Meniscal calcifications are associated with the pathogenesis of knee osteoarthritis (OA). We propose a micro-computed tomography (μCT) based 3D analysis of…”
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Safety of percutaneous coronary intervention during uninterrupted oral anticoagulant treatment by Karjalainen, Pasi P., Vikman, Saila, Niemelä, Matti, Porela, Pekka, Ylitalo, Antti, Vaittinen, Mari-Anne, Puurunen, Marja, Airaksinen, Tuukka J., Nyman, Kai, Vahlberg, Tero, Airaksinen, K.E. Juhani

“…Aims Uninterrupted anticoagulation (UAC) is assumed to increase bleeding and access-site complications. A common consensus is to postpone percutaneous coronary…”
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Particle emissions characterization from a medium-speed marine diesel engine with two fuels at different sampling conditions by Ntziachristos, L., Saukko, E., Lehtoranta, K., Rönkkö, T., Timonen, H., Simonen, P., Karjalainen, P., Keskinen, J.

“…•Non-volatile marine exhaust rather consists of metallic ash particles than soot.•Heavy species not evaporating at 250°C condense on the non-volatile…”
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In-depth characterization of exhaust particles performed on-board a modern cruise ship applying a scrubber by Kuittinen, N., Timonen, H., Karjalainen, P., Murtonen, T., Vesala, H., Bloss, M., Honkanen, M., Lehtoranta, K., Aakko-Saksa, P., Rönkkö, T.

“…To comply with environmental regulations, ship operators may adopt exhaust after-treatment devices such as scrubbers or selective catalytic reduction (SCR)…”
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Composite mesh design for delivery of autologous mesenchymal stem cells influences mesh integration, exposure and biocompatibility in an ovine model of pelvic organ prolapse by Emmerson, S., Mukherjee, S., Melendez-Munoz, J., Cousins, F., Edwards, S.L., Karjalainen, P., Ng, M., Tan, K.S., Darzi, S., Bhakoo, K., Rosamilia, A., Werkmeister, J.A., Gargett, C.E.

“…The widespread use of synthetic transvaginal polypropylene mesh for treating Pelvic Organ Prolapse (POP) has been curtailed due to serious adverse effects…”
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Formation of nanostructured surface layer, the white layer, through solid particles impingement during slurry erosion in a martensitic medium-carbon steel by Javaheri, V., Sadeghpour, S., Karjalainen, P., Lindroos, M., Haiko, O., Sarmadi, N., Pallaspuro, S., Valtonen, K., Pahlevani, F., Laukkanen, A., Kömi, J.

“…The extremely altered topmost surface layer, known as the white layer, formed in a medium-carbon low-alloy steel as result of impacts by angular 10–12 mm…”
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Deformation processes during tensile straining of ultrafine/nanograined structures formed by reversion in metastable austenitic steels by Misra, R.D.K., Kumar, B. Ravi, Somani, M., Karjalainen, P.

“…The deformation behavior of ultrafine/nanograined (UFG/NG) structures during tensile straining has been examined by electron microscopy in metastable…”
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Fatigue behavior of high-Mn TWIP steels by Hamada, A.S., Karjalainen, L.P., Puustinen, J.

“…Fatigue behavior of three high-Mn TWIP steels with the grain sizes between 4.5 and 55 μm were investigated in reversed plane bending in the high-cycle regime…”
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Social success of in-stream habitat improvement: from fisheries enhancement to the delivery of multiple ecosystem services by Marttila, Maare, Kyllönen, Kirsi, Karjalainen, Timo P.

“…Stream restoration often aims to enhance fisheries by improving stream conditions for target fish species. However, river restoration has a potential impact on…”
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Hot ductility behaviour of high-Mn TWIP steels by Hamada, A.S., Karjalainen, L.P.

“…▶ The hot ductility of TWIP steels is enhanced through dynamic recrystallization. ▶ Al levels need to be strictly controlled and moderate levels 1.5wt.% are…”
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The influence of aluminum on hot deformation behavior and tensile properties of high-Mn TWIP steels by Hamada, A.S., Karjalainen, L.P., Somani, M.C.

“…The influence of aluminum (0–3 wt.%) on the high-temperature flow stress and recrystallization kinetics of two austenitic 25 wt.% Mn-bearing TWIP steels were…”
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Effect of austenite grain structure on the strength and toughness of direct-quenched martensite by Kaijalainen, Antti J., Suikkanen, Pasi P., Limnell, Teijo J., Karjalainen, Leo P., Kömi, Jukka I., Porter, David A.

“…► Austenite pancaking is an effective way to improve the strength and toughness. ► Austenite pancaking decreases the volume fraction of martensite. ►…”
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Correlation Between Potentiodynamic Polarization Behaviors of Transient Liquid Phase Bonded 2205 Duplex Stainless Steel and the Bonding Constituents by Babanejhad, A., Mosallaee, M., Kisko, A., Jaskari, M., Karjalainen, P.

“…In order to precisely evaluate the contribution of each bonding constituent to the pitting corrosion resistance of transient liquid phase (TLP) bonded 2205…”
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Strain hardening behavior of phase reversion-induced nanograined/ultrafine-grained (NG/UFG) austenitic stainless steel and relationship with grain size and deformation mechanism by Challa, V.S.A., Wan, X.L., Somani, M.C., Karjalainen, L.P., Misra, R.D.K.

“…The concept of phase reversion involving severe cold deformation of metastable austenite to generate strain-induced martensite, followed by temperature–time…”
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On Various Aspects of Decomposition of Austenite in a High-Silicon Steel During Quenching and Partitioning by Somani, Mahesh Chandra, Porter, D. A., Karjalainen, L. P., Misra, R. D. K.

“…Using a Gleeble thermomechanical simulator, a high-silicon steel (Fe-0.2C-1.5Si-2.0Mn-0.6Cr) was laboratory hot-rolled, re-austenitized, quenched into the M s…”
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High-cycle fatigue behavior of ultrafine-grained austenitic stainless and TWIP steels by Hamada, A.S., Karjalainen, L.P.

“…High-cycle fatigue behavior of ultrafine-grained (UFG) 17Cr–7Ni Type 301LN austenitic stainless and high-Mn Fe–22Mn–0.6C TWIP steels were investigated in a…”
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