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Dive into the research topics where Henry Peter Offer is active.

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Featured researches published by Henry Peter Offer.


Corrosion | 1996

Corrosion Potential Behavior in High-Temperature Water of Noble Metal-Doped Alloy Coatings Deposited by Underwater Thermal Spraying

Young Jin Kim; Peter L. Andresen; Dennis Michael Gray; Yuk-Chiu Lau; Henry Peter Offer

Abstract The electrochemical corrosion potential (ECP) of type 304 (UNS S30400) stainless steel (SS) coated under water by hyper-velocity oxy-fuel (HVOF) and plasma-spray (PS) techniques using noble metal-doped powders was measured to evaluate the catalytic behavior in high-temperature water under various water chemistry conditions. Thermal-spray coatings of noble metal-doped powders exhibited catalytic behavior for the recombination of oxygen and hydrogen in high-temperature water, which caused ECP to decrease well below a critical value of −230 mVSHE for intergranular stress corrosion cracking (IGSCC) protection in water. This was observed in water containing various amounts of oxygen and hydrogen peroxide (H2O2) when stoichiometric excess hydrogen was present.


Archive | 1999

Heat treatment for weld beads

Henry Peter Offer; Marshall Gordon Jones


Archive | 1997

Method and apparatus for joining components with multiple filler materials

Henry Peter Offer


Archive | 1998

Apparatus for joining metal components using broad, thin filler nozzle

Henry Peter Offer


Archive | 1997

Apparatus for welding with preheated filler material

Henry Peter Offer; Leonard John Sharpless


Archive | 1999

Method and apparatus for welding with preheated filler material

Henry Peter Offer


Archive | 1997

Apparatus for distributing cover gas in reduced-width groove during welding

Henry Peter Offer; Benedict Kazirskis; Paul S. Mahoney


Archive | 1996

Plasma coating process for improved bonding of coatings on substrates

Henry Peter Offer; Yuk-Chiu Lau; Young Jin Kim; Alfred Stanley Nelson


Archive | 2003

Methods for altering residual stresses using mechanically induced liquid cavitation

Henry Peter Offer


Archive | 1994

Reactor core shroud repair with welded brackets

Henry Peter Offer; Lawrence Michael Grycko; John Geddes Erbes; James Edward Charnley; Grant Clark Jensen

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