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EnglishThe present paper reports about the interface assessment of a micro-alloyed steel over-layed by AISI 316 stainless steel (SS). The considered cladding process as performed by an external supplier was performed by submerged arc welding (SAW). A layer is created between stainless steel and carbon steel interface of the cladded plate, caused by chemical element diffusion. High hardness local values were determined in the carbon steel at interface with stainless steel. Heat treatments were carried out aimed to remove such hardness peaks. results show that a sub-critical heat treatments are not suitable to remove them. On the other hand, microstructure refinement as obtained by quenching and tempering (Q&T) heat treatment allowed e reduction of local steel hardenability with consequent interface hardness reduction.
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| Titolo: | Heat treatment effect on interface microstructure and hardness of a medium carbon steel cladded by AISI 316 stainless steel |
| Autori: | DI SCHINO, ANDREA (Corresponding) |
| Data di pubblicazione: | 2020 |
| Rivista: | |
| Abstract: | The present paper reports about the interface assessment of a micro-alloyed steel over-layed by A...ISI 316 stainless steel (SS). The considered cladding process as performed by an external supplier was performed by submerged arc welding (SAW). A layer is created between stainless steel and carbon steel interface of the cladded plate, caused by chemical element diffusion. High hardness local values were determined in the carbon steel at interface with stainless steel. Heat treatments were carried out aimed to remove such hardness peaks. results show that a sub-critical heat treatments are not suitable to remove them. On the other hand, microstructure refinement as obtained by quenching and tempering (Q&T) heat treatment allowed e reduction of local steel hardenability with consequent interface hardness reduction. |
| Handle: | http://hdl.handle.net/11391/1474487 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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