Al- & mg-compatible blasting material for blast cleaning thereof based on alsc powder

Abstract

A blasting medium for blasting a component, wherein the component comprises Al and/or Mg, especially an Al and/or Mg alloy, to a method of blasting a component, wherein the component comprises Al and/or Mg, especially an Al and/or Mg alloy, and a method of producing a blasting medium are described herein.

1 . A blasting medium for blasting a component, wherein the component comprises Al and/or Mg, wherein the blasting medium comprises an Al and/or Mg alloy. 
     
     
         2 . The blasting medium according to  claim 1 , wherein the blasting medium comprises an AlSc alloy. 
     
     
         3 . The blasting medium according to  claim 1 , wherein the blasting medium comprises particles of the Al and/or Mg alloy having a size of 45 μm or more. 
     
     
         4 . The blasting medium according to  claim 1 , wherein a content of Sc in the blasting medium is at least 0.5% by weight, based on the blasting medium. 
     
     
         5 . The blasting medium according to  claim 1 , wherein the blasting medium has been hardened by a heat treatment at a temperature of 250° C.-400° C. and/or within a period of 15-6000 min and/or has a hardness of >150 HB. 
     
     
         6 . A method of blasting a component, wherein the component comprises Al and/or Mg, wherein the blasting medium comprises an Al and/or Mg alloy, wherein the method comprises:
 blasting the compound with the blasting medium.   
     
     
         7 . The method according to  claim 6 , wherein the blasting medium comprises an AlSc alloy. 
     
     
         8 . The method according to  claim 6 , wherein the blasting medium comprises particles of the Al and/or Mg alloy having a size of 45 μm or more. 
     
     
         9 . The method according to  claim 6 , wherein a content of Sc in the blasting medium is at least 0.5% by weight, based on the blasting medium. 
     
     
         10 . The method according to  claim 6 , wherein the blasting medium has been hardened by a heat treatment at a temperature of 250° C.-400° C. and/or within a period of 15-6000 min and/or has a hardness of >150 HB. 
     
     
         11 . The method according to  claim 6 , wherein the component has been produced by a powder fusion method or a powder sintering method, wherein the component further comprises a material of the same type as the blasting medium. 
     
     
         12 . The method of producing a blasting medium, wherein an Al and/or Mg alloy is atomized from a melt, and a particle fraction is sieved out of the particles thus produced. 
     
     
         13 . The method according to  claim 12 , wherein particles having a size of 45 μm or more, are sieved out of the particles produced as blasting medium, wherein the sieved-out particles are hardened at a temperature of 250° C.-400° C. and/or within a period of 15-6000 min. 
     
     
         14 . The method of producing a blasted component, wherein the component comprises Al and/or Mg, wherein the component is produced by a powder fusion method or a powder sintering method and is blasted with a blasting medium according to  claim 1 . 
     
     
         15 . A component, wherein the component comprises Al and/or Mg, wherein the component is produced by a powder fusion method or a powder sintering method and is blasted with a blasting medium according to  claim 1 .