Matti Koskimäki

Laboratory Engineer

Mechanical Engineering

LUT School of Energy Systems

Laboratory of Steel Structures

Lappeenranta

matti.koskimaki@lut.fi

Research areas

Engineering

Fatigue strength of welded tubular T-joints made of ferritic stainless steel in as-welded and post-weld treated condition

Publication type

A4 Conference proceedings

Koskimäki Matti, Tuominen Niko, Ahola Antti, Björk Timo

Fatigue Strength of Ferritic Stainless Steel Rectangular Hollow Section T-Joints As-welded and Post Treated Conditions.

Publication type

B3 Unrefereed conference proceedings

Koskimäki Matti, Tuominen Niko, Björk Timo

Ruostumattomien terästen hitsausliitosten väsymisominaisuudet

Publication type

G3 Licentiate thesis

Koskimäki Matti

Finite Element Studies on the Behaviour of Rectangular Hollow Section K-Joints

Publication type

A4 Conference proceedings

Koskimäki Matti, Niemi Erkki

Työkoneen jännityskeskittymien tutkiminen

Publication type

G2 Master’s thesis, polytechnic Master’s thesis

Koskimäki Matti

Väsytyskuormitetun UHSS-rakenneputken äärikestävyys alhaisissa käyttölämpötiloissa (Residual strength at -40o C of a pre-cracked cold-formed rectangular hollow section made of ultra-high-strength steel - An engineering approach)

Publication type

Nykänen Timo, Björk Timo, Mettänen Heli, Ilyin A V, Koskimäki Matti

Sylinteriliitoksen väsymislujuus

Publication type

D4 Published development or research report or study

Koskimäki Matti, Björk Timo, Nykänen Timo

Fluid Flow and Transfer Processes

Energy (miscellaneous)

Fatigue strength of ultra high strength steel butt-welded joints under constant amplitude loading

Publication type

D4 Published development or research report or study

Nykänen Timo, Björk Timo, Koskimäki Matti, Laitinen Risto

Residual strength at -40o C of a pre-cracked cold-formed rectangular hollow section made of ultra-high-strength steel – An engineering approach

Publication type

A1 Journal article (refereed), original research

Nykänen T, Björk T, Mettänen H, Ilyin A V, Koskimäki M