Juhani Valli

A method and apparatus for controlling a multi-phase - screening means

Jouko Hautala, Juhani Valli, Timo Vuorinen, 1998 .

Foerfarande and the arrangement Foer controlling of a sorting arrangement flerfasig

Jouko Hautala, Juhani Valli, Timo Vuorinen, 1997 .

Applications of the scratch test method for coating adhesion assessment

Juhani Valli, J. Valli, Ulla Mäkelä, 1987 .

TiN coating adhesion studies using the scratch test method

Juhani Valli, A. Matthews, J. Valli, 1985 .

Assessment of Coating Adhesion

Juhani Valli, A. Matthews, J. Valli, 1986 .

The use of scratch adhesion testing for the determination of interfacial adhesion: The importance of frictional drag

D. S. Rickerby, Juhani Valli, Steve Bull, 1988 .