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Influence of a pulsed electric field on the growth of surface fungi
2013 - IRG/WP 13-10795
The colonization of mold and staining fungi are not only an aesthetical problem. Blue stain fungi are able to penetrate paint films. Maintenance of coatings on wood are time consuming and costly. A new approach uses a pulsed electric field (PLEOT) in order to protect wood against surface fungi. This technology is evaluated in non-sterile laboratory conditions on different coated and uncoated Scots...
M Starck, A Treu


Impregnation of railway sleepers - Pressure gradient and transversal penetration
2016 - IRG/WP 16-40731
Based on the possible ban of creosote in the future, the need for oil based alternative products has gained in importance. Due to possible differences in impregnation properties compared to creosote the need for re-implementing former technology is given, to determine if momentarily used impregnation processes have to be modified. The here reported tests measure the pressure gradient during the im...
M Starck, A Gellerich, H Militz


Penetration behaviour of different hydrophobic carrier substances for oily wood preservatives in Beech and Scots pine sapwood
2017 - IRG/WP 17-40804
The use of creosote as a wood preservative has a long history. Current areas of application are railway sleepers, transmission poles, timber bridges and marine applications. If the approval for creosote will not be prolonged, alternative wood preservatives will be needed. As the penetration behaviour after pressure impregnation of different alternative oily products in this fields of application i...
M Starck, A Gellerich, H Militz


Impregnation of railway sleepers - Investigation of a system-sleeper as an alternative for creosote treated sleepers
2020 - IRG/WP 20-40896
For nearly 200 years wooden railway sleepers are impregnated with creosote. After initially using vacuum pressure processes for impregnation, empty-cell processes have been developed quickly and are used until today. Because of political developments, creosote will probably be banned on the European market in the near future. The Fürstenberg-System-Sleeper, which combines for Europe innovative as...
M Starck, A Heidel, C Brischke, H Militz