Published February 1984
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The effect of various metallurgical parameters on the behaviour of 304l stainless steel in highly corrosive environments
Description
The behaviour of 304l stainless steel was tested under corrosive conditions: concentrated nitric acid (69-70 v/o) and temperature of 105 degrees celsius, following cold work and sensitization at various conditions. The results show that the rate of corrosion increases with: degrees of cold work; sensitization temperature; duration of treatment. The effect of grain size and microhardness upon the behaviour of boundary etching and the rate of corrosion were also examined. It was found that increase in the grain size (decrease in the quality of material) raises the rate of corrosion, because of enhanced etching of the grains' boundaries. (author)
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Additional details
Publishing Information
- Imprint Pagination
- 18 p.
- Report number
- NRCN--537
INIS
- Country of Publication
- Israel
- Country of Input or Organization
- Israel
- INIS RN
- 17008937
- Subject category
- S36: MATERIALS SCIENCE;
- Descriptors DEI
- CORROSION; GRAIN BOUNDARIES; GRAIN SIZE; NITRIC ACID; QUANTITY RATIO; STEEL-CR19NI10-L; TEMPERATURE DEPENDENCE; TIME DEPENDENCE
- Descriptors DEC
- ALLOYS; AUSTENITIC STEELS; CARBON ADDITIONS; CHEMICAL REACTIONS; CHROMIUM ALLOYS; CHROMIUM-NICKEL STEELS; CORROSION RESISTANT ALLOYS; CRYSTAL STRUCTURE; HEAT RESISTING ALLOYS; HIGH ALLOY STEELS; HYDROGEN COMPOUNDS; INORGANIC ACIDS; IRON ALLOYS; IRON BASE ALLOYS; LOW CARBON-HIGH ALLOY STEELS; MICROSTRUCTURE; NICKEL ALLOYS; NITROGEN COMPOUNDS; OXYGEN COMPOUNDS; SIZE; STAINLESS STEELS; STEELS