Research Progress on Rolling Process of Precision Resistance Alloy Ultra-thin Strip

ZHANG Yuyang; CHENG Zhendong; ZHOU Zexi; SONG Meng; JI Jiang; LU Rihuan; HUANG Huagui

doi:10.3969/j.issn.1674-6457.2026.08.011

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Journal of Netshape Forming Engineering ›› 2026, Vol. 18 ›› Issue (8) : 118-134. DOI: 10.3969/j.issn.1674-6457.2026.08.011

Light Alloy Forming

Research Progress on Rolling Process of Precision Resistance Alloy Ultra-thin Strip

ZHANG Yuyang¹, CHENG Zhendong¹, ZHOU Zexi¹, SONG Meng², JI Jiang³, LU Rihuan^1,*, HUANG Huagui¹

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Abstract

The precision resistance alloy ultra-thin strip is the core substrate of the resistance element in the high-end equipment system. Its thickness accuracy, shape and surface quality are the key indicators determining the resistance stability and temperature characteristics, and directly affect the long-term reliability of the system. With the continuous improvement of system integration and performance requirements, higher requirements are placed on the dimensional accuracy and resistance stability of ultra-thin strips. At present, the rolling technology has become the core technical means of industrial preparation due to its continuous and efficient preparation characteristics, which has significant advantages in the large-scale production of ultra-thin strips. In this paper, the preparation process of precision resistance alloy ultra-thin strips is reviewed, and the complete process chain with rolling process as the core is discussed. Combined with the processing adaptability of different alloy systems, the current research status is analyzed. The research shows that the reduction system, tension control, roll shape design, lubrication conditions and heat treatment process in the precision rolling process are the key factors affecting the quality of the ultra-thin strip, which are directly related to the thickness consistency, shape stability and surface quality of the ultra-thin strip. In recent years, with the continuous optimization of the rolling process, the quality of ultra-thin strips has been significantly improved, especially in thickness control and shape stability. In addition, by regulating the heat treatment process, the microstructure can be further optimized and the stress distribution can be improved, thereby increasing the resistance and improving the resistance temperature characteristics. However, the surface defect control and microstructure uniformity control of ultra-thin strips in ultra-thin state are still the key problems restricting the quality of finished products. In the future, with the continuous development of high-stiffness multi-roll system and asynchronous rolling technology, the preparation process of precision resistance alloy ultra-thin strips will develop in the direction of high precision, high stability and intelligence, which can provide a more solid theoretical basis and process guidance for its industrial production.

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precision resistance alloy / ultra-thin strip / rolling process / heat treatment / resistance performance

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ZHANG Yuyang, CHENG Zhendong, ZHOU Zexi, SONG Meng, JI Jiang, LU Rihuan, HUANG Huagui. Research Progress on Rolling Process of Precision Resistance Alloy Ultra-thin Strip[J]. Journal of Netshape Forming Engineering. 2026, 18(8): 118-134 https://doi.org/10.3969/j.issn.1674-6457.2026.08.011

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Funding

Hebei Provincial Natural Science Foundation Yan-Zhao Young Scholar Program (E2023203260); Science and Technology Research Project of Colleges and Universities in Hebei Province (CXY2024009); Science and Technology Project Commissioned by Enterprises and Institutions (x2023009)