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Title:Optimization on stamping and forging process for new type magnesium
Authors: Li Lei Ji Chuan Ying Jilai 
Unit: Zhengzhou Tourism College Henan Geology and Mineral Resources Career Academy 
KeyWords: mechanical shell  Mg-3Mn-0.5Ti-0.3V new type magnesium alloy  stamping and forging process  impact property  corrosion resistance 
ClassificationCode:TG316
year,vol(issue):pagenumber:2019,44(3):10-16
Abstract:

The stamping and forging tests of Mg-3Mn-0.5Ti-0.3V new type magnesium alloy mechanical shell samples were carried out by different processes, and tested, compared and analyzed by impact property and corrosion resistance. The results show that the impact property and corrosion resistance of the specimens increase firstly and then decrease with the increase of counterforce, blank holder force and forging temperature. Compared with counterforce of 2 kN, counterforce of 4 kN increases the impact absorption energy of the specimen by 22.1% and shifts the corrosion potential positively by 0.077 V. Compared with blank holder force of 2 kN, blank holder force of 3.5 kN increases the impact absorption energy of the specimen by 25.8% and shifts the corrosion potential positively by 0.086 V. Compared with forging temperature of 290 ℃, forging temperature of 380 ℃ increases the impact absorption energy of the specimen by 20.3% and shifts the corrosion potential positively by 0.083 V. Thus, the optimum counterforce, blank holder force and forging temperature of Mg-3Mn-0.5Ti-0.3V new type magnesium alloy mechanical shell are 4 kN, 3.5 kN and 380 ℃, respectively.

Funds:
中国国家留学基金留金项目([2018]10015);河南省高等教育教学改革研究项目(2014SJGLX467)
AuthorIntro:
李磊(1978-),男,硕士,副教授,E-mail:375330254@qq.com
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