Sökning: "Karin Steneholm"

Hittade 2 avhandlingar innehållade orden Karin Steneholm.

1. 1. The Effect of Ladle Treatment on Steel Cleanness in Tool Steels

   Författare :Karin Steneholm; Pär Jönsson; Guozhu Ye; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; oxygen activity; inclusion characteristics; vacuum degassing; desulphurization; slag; ladle; hydrogen; nitrogen; deslagging; Teknisk materialvetenskap; Materials Science and Engineering;

   Sammanfattning : The aim of the present work was to get an overview of the steel cleanness in tool steel. Plant trial studies of three steel grades were done with different focuses.Firstly the change of the inclusion characteristics during the vacuum degassing in the ladle was looked upon. LÄS MER

3. 2. The effect of ladle vacuum treatment on inclusion characteristics for tool steels

   Författare :Karin Steneholm; Pär Jönsson; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Materials science; oxygen activity; inclusion characteristics; vacuum degassing; desulphurizatin; slag; ladle; Materialvetenskap; Materials science; Teknisk materialvetenskap;

   Sammanfattning : .... LÄS MER