A Study on the Hot Corrosion in Ti-6Al-4V Alloy
- 1. Sungkyunkwan University, Seoul (Korea, Republic of)
- 2. Kumoh Institute of Technology, Gumi (Korea, Republic of)
- 3. Korea Research Institute of Standards and Science, Daejeon (Korea, Republic of)
Description
The corrosion and stress corrosion behavior of a Ti-6Al-4V alloy have been studied in hot corrosion environment. Four kinds of microstructures of this alloy i.e., equiaxed structure, lamellar structure, martensitic structure and bimodal structure were fabricated by thermomechanical processing and heat treatment. For these samples, high temperature tensile tests were carried out at 350 .deg. C, 400 .deg. C and 450 .deg. C. Eutectic hot salt immersion corrosion test and hot salt stress corrosion test were performed at the same temperatures in LiCl-KCI eutectic salt. The selective corrosion was found at lamellar and bimodal structure by eutectic salt environment and these structures had higher hot salt stress corrosion susceptibilities than those of martensitic and equiaxed structures
Additional details
Publishing Information
- Journal Title
- Journal of the Corrosion Science Society of Korea
- Journal Volume
- 21
- Journal Issue
- 3
- Series
- 14 refs, 10 figs, 2 tabs
- Journal Page Range
- p. 163-171
- ISSN
- 0253-312X
INIS
- Country of Publication
- Korea, Republic of
- Country of Input or Organization
- Korea, Republic of
- INIS RN
- 45022812
- Subject category
- S36: MATERIALS SCIENCE;
- Descriptors DEI
- CORROSION; EUTECTICS; HEAT TREATMENTS; LITHIUM CHLORIDES; POTASSIUM CHLORIDES; TENSILE PROPERTIES; TITANIUM ALLOYS
- Descriptors DEC
- ALKALI METAL COMPOUNDS; ALLOYS; CHEMICAL REACTIONS; CHLORIDES; CHLORINE COMPOUNDS; HALIDES; HALOGEN COMPOUNDS; LITHIUM COMPOUNDS; LITHIUM HALIDES; MECHANICAL PROPERTIES; POTASSIUM COMPOUNDS; POTASSIUM HALIDES; TRANSITION ELEMENT ALLOYS