Assembly of titanium and steel parts by diffusion welding

Assembly of titanium and steel parts by diffusion welding

  • CN 102,164,702 A
  • Filed: 09/21/2009
  • Published: 08/24/2011
  • Est. Priority Date: 09/24/2008
  • Status: Active Application
First Claim
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1. method that titanium part and steel part is fitted together with the diffusion welding (DW) connection, described method is characterised in that and comprises:

  • Make two thin metal layers (14,16) between titanium part (10) and steel part (12), described two metal levels comprise the thin layer or the paper tinsel of the copper of the thin layer of the niobium of titanium part side or vanadium or paper tinsel and steel part side;

    The assemblies that will comprise described two parts and described two intervention metal levels are placed in a vacuum;

    AndIn 900 ℃

    to 950 ℃

    temperature range and 1000 crust to the pressure limits of 1500 crust, described assembly is carried out thermal balance compression, after described thermal balance compression, carry out controlled cooling.

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