Study on the quality of Boron micro_alloyed steels destined to applications in the automotive sector

International Conference on Applied Sciences

自然科学（总论）

Ilca, I.^1 ; Kiss, I.^1 ; Milotean, D.^1

University Politehnica Timisoara, Faculty of Engineering Hunedoara, Department of Engineering and Management, Hunedoara, Romania^1

关键词: Assembly component;    Automotive sector;    Finer structure;    Manufacturing process;    Mechanical characteristics;    Micro-alloyed steels;    Microstructure and properties;    Qualitative differences;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/477/1/012003/pdf
DOI  :  10.1088/1757-899X/477/1/012003

学科分类：自然科学（综合）

来源: IOP

【 摘 要 】

The paper presents a study of the possibilities of using 20MnB5q the Boron micro-alloyed steel in the assembly of the body components. It is investigated whether the steel in question can be deformed without being globulised but only chilled in flux, followed by a normalization treatment, in order to obtain a finer structure with a globulising tendency. The research has been carried out on samples of 20MnB5q indigenous steel, compared with samples from bars imported from the same French and Finnish origin. Finally there are specified the structural and qualitative differences for this micro-alloyed Boron steel, which in addition to the finishing effect of the structure, have contributed to the increase of the mechanical characteristics. This study examines the behaviour of 20MnB5q grade steel in the manufacturing process of assembly components. The effect of trace Boron in steels, especially the influence of Boron on microstructure and properties of these steels were summarized.