Numerical Simulation on Hot Stamping Process Parameters of ZK61M Magnesium Alloy Covers

SHI Wenzhan; LAI Caifang; HE Jun; MA Pingyi; ZHOU Xianjun; TANG Guowei; PENG Heli

doi:10.3969/j.issn.1674-6457.2025.12.014

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Journal of Netshape Forming Engineering ›› 2025, Vol. 17 ›› Issue (12) : 133-139. DOI: 10.3969/j.issn.1674-6457.2025.12.014

Advanced Aerospace Manufacturing Technology

Numerical Simulation on Hot Stamping Process Parameters of ZK61M Magnesium Alloy Covers

SHI Wenzhan^1,2, LAI Caifang^1,2, HE Jun^1,2, MA Pingyi^1,2, ZHOU Xianjun^1,2, TANG Guowei^1,2, PENG Heli^1,2,*

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Abstract

The work aims to take aircraft magnesium alloy covers as the research object to determine the optimal hot stamping process parameters to solve the problem of low material utilization rate of magnesium alloy in actual production and unable to carry out stamping mass production at room temperature. Based on ABAQUS finite element simulation software, a finite element model for hot stamping of aircraft magnesium alloy covers was established. The influence laws of blank holder force, temperature, sidewall slope, flange fillet radius, bottom fillet radius and friction coefficient on hot stamping of magnesium alloy covers were explored respectively. Based on the finite element simulation results, a three-dimensional model of magnesium alloy covers was optimized. The results showed that the effect of the scheme without blank holders was better than that of the scheme without blank holders; When the temperature was 220 ℃, the wall thickness reduction rate of hot stamping of magnesium alloy covers was the minimum; When the sidewall slope of the magnesium alloy covers was set to 60°, the flange area of the magnesium alloy covers could maintain a small wall thickness difference; When the flange fillet radius ≤4 mm or the bottom fillet radius ≤10 mm, the magnesium alloy covers would crack after hot pressing; The wall thickness of the flange fillet, the bottom fillet and the bottom plane area all decreased with the increase of the friction coefficient. In conclusion, under the conditions of the flange fillet radius of 8 mm, the bottom fillet radius of 14 mm, the sidewall slope of 60°, and the forming temperature of 220 ℃, magnesium alloy cover parts that meet the use requirements can be successfully obtained. Under this process parameter, the rapid mass production of ZK61M magnesium alloy covers can be realized.

Key words

ZK61M / magnesium alloy covers / hot stamping / Abaqus / finite element analysis

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SHI Wenzhan, LAI Caifang, HE Jun, MA Pingyi, ZHOU Xianjun, TANG Guowei, PENG Heli. Numerical Simulation on Hot Stamping Process Parameters of ZK61M Magnesium Alloy Covers[J]. Journal of Netshape Forming Engineering. 2025, 17(12): 133-139 https://doi.org/10.3969/j.issn.1674-6457.2025.12.014

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