%0 Journal Article %T Fine Grain Resistance of Steel 20NiMoCr6-5+Nb (Material No. 1.6757) during Case Hardening depending on Cold Massive Forming∗ %A Klenke, K. %A Kohlmann, R. %A Wilke, F. %J HTM Journal of Heat Treatment and Materials %V 74 %N 5 %P 302-316 %@ 1867-2493 %D 2019-10-10 %I De Gruyter %~ DeepDyve