Research on Formability of 304 Stainless Steel Foil Micro-Deep Drawing

IF 0.7 4区材料科学 Q4 METALLURGY & METALLURGICAL ENGINEERING

Archives of Metallurgy and Materials Pub Date : 2023-12-19 DOI:10.24425/amm.2023.146192

Y. Xing, P. Han, X. Wang

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Abstract

The 0.05 mm-thick 304 stainless steel foil was annealed within the temperature range from 950℃-1100℃ for 10 minutes to obtain different microstructures. and micro-deep drawing experiments of stainless steel foils with different tissue structures were conducted to obtain relevant material forming properties influenced by dimensional effects. On this basis, the influence of the microstructure characteristics on the forming performance of 304 stainless steel foil and the quality of the cup formed by using micro-drawing was studied, and its mechanism was discussed. it can be seen from the results that the stainless steel foil annealed at 950℃ exhibits poor forming performance, and the wrinkle phenomenon of the deep-drawn cup is obvious. At the annealing temperature of 1050℃, the quality of the deep drawing cup is significantly improved. When the annealing temperature reaches 1100℃, with the increase of the annealing temperature, the crystal grains size increase sharply, and the coarse-grain effect causes the uneven plastic deformation effect to be obvious. Besides, the drawing quality is obviously deteriorated. The observation of the microstructure of the deep drawing cup shows that the forming effect of the drawing cup is poor due to the rolling defects and the coarse grain effect. The 304 stainless steel drawing cup annealed at 1050℃ enjoys the best forming effect.

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304 不锈钢箔微深拉成型性研究

对厚度为 0.05 毫米的 304 不锈钢箔在 950℃-1100℃的温度范围内退火 10 分钟，以获得不同的微观组织结构，并对不同组织结构的不锈钢箔进行微拉伸实验，以获得受尺寸效应影响的相关材料成形性能。在此基础上，研究了微观组织特征对 304 不锈钢箔成形性能和微拉伸成形杯质量的影响，并探讨了其机理。从结果可以看出，在 950℃下退火的不锈钢箔成形性能较差，深拉伸杯的起皱现象明显。退火温度为 1050℃时，深冲杯的质量明显提高。当退火温度达到 1100℃时，随着退火温度的升高，晶粒尺寸急剧增大，粗晶粒效应导致不均匀塑性变形效应明显。此外，拉拔质量也明显下降。对深冲杯显微组织的观察表明，由于轧制缺陷和粗晶粒效应，深冲杯的成形效果很差。在 1050℃退火的 304 不锈钢拉伸杯的成形效果最好。

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来源期刊

Archives of Metallurgy and Materials 工程技术-冶金工程

CiteScore

1.20

自引率

0.00%

发文量

审稿时长

4.5 months

期刊介绍： The Archives of Metallurgy and Materials is covered in the following Institute for Scientific Information products: SciSearch (the Science Citation Index - Expanded), Research Alert, Materials Science Citation Index, and Current Contents / Engineering, Computing and Technology. Articles published in the Archives of Metallurgy and Materials are also indexed or abstracted by Cambridge Scientific Abstracts.