公开(公告)号：SG182042A1

公开(公告)日：2012-07-30

申请号：SG2011072279

申请日：2011-10-04

Applicant: UNITED TECHNOLOGIES CORP

Inventor： JOSEPH PARKOS ,  JAMES O HANSEN ,  CHRISTOPHER J HERTEL

Abstract: METHOD FOR SECURING A SHEATH TO A BLADEA method for bonding a sheath made of a first metallic material to an airfoil made of a second metallic material includes treating the bonding surface of the airfoil; treating the bonding surface of the sheath; placing an adhesive between the bonding surfaces of the airfoil and the sheath; and pressing the airfoil and sheath together so that the adhesive bonds the sheath to the airfoil.Fig. 2

公开(公告)号：SG188032A1

公开(公告)日：2013-03-28

申请号：SG2012043246

申请日：2012-06-12

Applicant: UNITED TECHNOLOGIES CORP

Inventor： JOSEPH PARKOS ,  CURTIS H RIEWE ,  THOMAS M MORIN ,  BRIAN S TRYON

Abstract: A method of stripping gamma/gamma prime polycrystalline alloy bond coats from single crystal gamma/gamma prime nickel based superalloys, including the steps of grit blasting followed by the use of hydrochloric acid solutions, followed by rinsing. The cycle may be repeated several times, with visual inspection between cycles.Figure 1