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Paper Information

Journal:   IRANIAN JOURNAL OF MATERIALS SCIENCE AND ENGINEERING   JUNE 2016 , Volume 13 , Number 2; Page(s) 20 To 28.
 
Paper: 

EVALUATION OF PRECIPITATION HARDENING HEAT TREATMENT OF PH 17-7 STAINLESS STEEL SPRING

 
 
Author(s):  BABAKOOHI ASHRAFI A.A.*, MOHAMMADI H., HABIBOLLA ZADE A.
 
* 
 
Abstract: 

In this paper, the influence of heat treatment on PH17-7 stainless steel spring was evaluated. Precipitation hardening phenomenon of  PH 17-7 steel was evaluated in three stages. First, the spring constant changes with time and temperature was evaluated. Second, the spring constant changes with respect to its original length at constant temperature and time with blocking (spring length after compression, 18 and 21 mm) were investigated.  And finally, the spring heat treatment at 480oC for 80 min and then holding at 230oC in oil bath for 60 min without blocking were investigated. The results showed that the use of 18 mm block have large spring constant than 21 mm block. The optimal conditions (480°C for 80 min) for this spring to reaching maximum spring constant were determined.

 
Keyword(s): PH 17-7 STAINLESS STEEL, PRECIPITATION HARDENING, SPRING CONSTANT, BLOCKING
 
 
References: 
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Click to Cite.
APA: Copy

BABAKOOHI ASHRAFI, A., & MOHAMMADI, H., & HABIBOLLA ZADE, A. (2016). EVALUATION OF PRECIPITATION HARDENING HEAT TREATMENT OF PH 17-7 STAINLESS STEEL SPRING. IRANIAN JOURNAL OF MATERIALS SCIENCE AND ENGINEERING, 13(2), 20-28. https://www.sid.ir/en/journal/ViewPaper.aspx?id=569410



Vancouver: Copy

BABAKOOHI ASHRAFI A.A., MOHAMMADI H., HABIBOLLA ZADE A.. EVALUATION OF PRECIPITATION HARDENING HEAT TREATMENT OF PH 17-7 STAINLESS STEEL SPRING. IRANIAN JOURNAL OF MATERIALS SCIENCE AND ENGINEERING. 2016 [cited 2021May14];13(2):20-28. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=569410



IEEE: Copy

BABAKOOHI ASHRAFI, A., MOHAMMADI, H., HABIBOLLA ZADE, A., 2016. EVALUATION OF PRECIPITATION HARDENING HEAT TREATMENT OF PH 17-7 STAINLESS STEEL SPRING. IRANIAN JOURNAL OF MATERIALS SCIENCE AND ENGINEERING, [online] 13(2), pp.20-28. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=569410.



 
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