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公开(公告)号：US3694333A
公开(公告)日：1972-09-26
申请号：US3694333D
申请日：1971-11-18
Applicant: DEMOTEURS D AVIAT SOC NAT D ET , ARMINES
Inventor： DUCROT ALAIN JEAN EDMOND , POULAIN JACQUES CONSTANT , PAVON MIGUEL SANCHO , TURPIN MICHEL LOUIS
CPC classification number: C25F3/02
Abstract: THE MECHANICAL PROPERTIES, PARTICULARLY THE TENSILE STRENGTH, OR ARTICLES COMPRISING A LAYER OF BORON ON A METALLIC, PARTICULARLY TUNGSTEN, CORE ARE SUBSTANTIALLY INPROVED BY A TREATMENT COMPRISING IMMERSION IN AN AQUEOUS ACID BATH CONTAINING HYDROGEN PEROXIDE AND APPLICATION OF A POTENTIAL DIFFERENCE BETWEEN A METALLIC CATHODE AND THE ARTICLE AS ANODE.
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