公开(公告)号：DE60013885D1

公开(公告)日：2004-10-21

申请号：DE60013885

申请日：2000-11-17

Applicant: NAT RES COUNCIL CANADA OTTAWA

Inventor： MONGEON PAUL-EMILE ,  PELLETIER SYLVAIN ,  ZIANI ABDELOUAHAB

IPC: B22F3/03 ,  B30B15/00

公开(公告)号：DE60013885T2

公开(公告)日：2005-09-22

申请号：DE60013885

申请日：2000-11-17

Applicant: NAT RES COUNCIL CANADA OTTAWA

Inventor： MONGEON PAUL-EMILE ,  PELLETIER SYLVAIN ,  ZIANI ABDELOUAHAB

IPC: B22F3/03 ,  B30B15/00

公开(公告)号：CA3070662A1

公开(公告)日：2019-01-24

申请号：CA3070662

申请日：2018-07-20

Applicant: NAT RES COUNCIL CANADA

Inventor： POIRIER DOMINIQUE ,  MONGEON PAUL-EMILE ,  THOMAS YANNIG ,  IRISSOU ERIC

IPC: B22F1/00 ,  B05D1/12 ,  B05D3/00 ,  C23C24/08

Abstract: A method for enabling cold spray of steels, particularly transformation hardenable steels including tool steels, has been made possible by: heat treating steel powder while agitating the powder to limit agglomeration and particle growth; cooling it slowly enough to avoid retransformation hardening; and protecting the powder from cold working or retransformation hardening until cold sprayed. Surprisingly the softening, as well as the agglomerated morphology of powders, has been found to allow for deposition of steel powders. Furthermore, the cooling has been found to be possible within 8 hour heat treatments, and high density, and reasonably high deposition efficiencies have been achieved. Water- and gas-atomized starting powders have been treated and cold sprayed.