Prediction of Hydrogen Entry and Permeation in Metals and Alloys.
Abstract
The ongoing objectives of this research project are to understand the mechanism of hydrogen entry into metals and to search for and evaluate various remedial measures to control this process and the subsequent hydrogen embrittlement. Several parallel approaches are pursued to achieve these objectives. During the last year, significant progress has been achieved on several tasks. A brief description is given below on each of these following tasks: (1) Effect of chloride ions on the evolution and absorption of hydrogen in iron. (2) Effect of benzotriazole (BTA) on the permeability of electrolytic hydrogen through iron. (3) Underpotential deposition and absorption of hydrogen (UPD). (4) Distributions of cathodic and anodic reaction sites during environmentally assisted cracking. (5) Hydrogen evolution and absorption within grain boundary grooves in sensitized stainless steels under anodic protection. (6) Shape evolution of pits and crevices and its role in hydrogen absorption. jg p5
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 01, 1996
- Accession Number
- ADA304225
Entities
People
- Howard W. Pickering
Organizations
- Pennsylvania State University