公开(公告)号：US3647517A

公开(公告)日：1972-03-07

申请号：US3647517D

申请日：1970-06-22

Applicant: CHROMALLOY AMERICAN CORP

Inventor： MILIDANTRI THOMAS ,  BRILL-EDWARDS HARRY W

IPC: C22C19/05 ,  C22C19/07 ,  C23C10/34 ,  C23C9/02

CPC classification number: C23C10/34 ,  C22C19/053 ,  C22C19/07 ,  Y10S428/938 ,  Y10S428/941 ,  Y10T428/12778 ,  Y10T428/12854 ,  Y10T428/12931 ,  Y10T428/12944

Abstract: In the production of impact and oxidation resistant metal coatings on superalloy substrates, e.g., cobalt-base superalloys, by pack cementation, such as a nickel aluminide coating, the improvement wherein nickel is first diffusion coated onto the substrate from a pack containing a small but effective amount of sulfur as a metal transfer agent, following which the nickel coated substrate is then coated with another metal, such as aluminum.

Abstract translation: 在通过包覆胶合（例如镍铝化合物涂层）在超级合金基底（例如钴基超级合金）上生产耐冲击和抗氧化金属涂层的改进之处在于，镍首先从包含小的 有效量的硫作为金属转移剂，然后用另外的金属如铝涂覆镍涂覆的基材。

公开(公告)号：US3617685A

公开(公告)日：1971-11-02

申请号：US3617685D

申请日：1970-08-19

Applicant: CHROMALLOY AMERICAN CORP

Inventor： BRILL-EDWARDS HARRY W ,  ZAHABI FEREIDOON

IPC: B23K15/00 ,  B23K35/00 ,  F01D9/04

CPC classification number: F01D9/044 ,  B23K15/0006 ,  B23K35/004

Abstract: Crack-free welds of jet engine components formed essentially of a heat resistant nickel-base alloy having a tendency to be weldcrack sensitive are produced by abutting selected surface of at least a pair of structural elements of said nickel-base alloy, the elements being assembled in welding relationship with an iron-base shim therebetween, the elements being electron beam welded together into a unitary structure by melting the iron-base shim at the interface of the abutting surfaces, whereby the resulting weld which is an alloy of the iron-base shim and the nickel-base alloy is crack-free.

公开(公告)号：US3694255A

公开(公告)日：1972-09-26

申请号：US3694255D

申请日：1970-06-03

Applicant: CHROMALLOY AMERICAN CORP

Inventor： BRILL-EDWARDS HARRY W

IPC: C23C10/42 ,  C23C11/00 ,  C23C13/00 ,  C23C17/02

CPC classification number: C23C10/42

Abstract: THE SUBSTRATE OF A HEAT RESISTANT ALLOY IS COATED BY PACK CEMENTATION WITH AN OXIDATION RESISTANT COATING METAL WHILE SUBSTANTIALLY AVOIDING THE FORMATION OF AN INTERNALLY OXIDIZED STRUCTURE WITHIN THE COATING WHICH COMPRISES, EMBEDDING A HEAT RESISTANT ALLOY ARTICLE TO BE COATED IN A CEMENTATION PACK COMPRISING SAID COATING METAL (E.G. CHROMIUM WHICH HAS A LOVER PROPENSITY TO OXIDIZE THAN AN OXIDATION RESISTANT SOLUTE METAL IN THE ALLOY (E.G. ALUMINUM), AND THEN SUBJETING THE ALLOY ARTICLE TO PACK CEMENTATION AT AN ELEVATED TEMPERATURE WHILE MAINTAINING THE OXYGEN IN THE PACK AT A PARTIAL PRESSURE BELOW THE OXYGEN THRESHOLD LEVEL AT WHICH THE ALLOY IS SUBJECT TO INTERNAL OXIDATION.