چکیده مقاله
Advanced High Strength Steels AHSS have become increasingly important in the automotive industry due to their high strength to weight ratio and excellent energy absorption capabilities However, their complex chemical compositions and multiphase microstructures present significant challenges in resistance spot welding RSW , which remains the dominant joining method in body in white assembly This review identifies and analyzes the key weldability challenges of AHSS, including metallurgical issues such as martensite formation and heat affected zone softening, mechanical performance limitations related to nugget size and failure modes, process related difficulties such as electrode wear, expulsion, and narrow welding windows, as well as liquid metal embrittlement LME in coated steels Furthermore, the challenges become more pronounced in dissimilar and third generation AHSS joints due to differences in thermal, electrical, and mechanical properties Potential strategies to mitigate these issues are discussed, including optimization of welding parameters, tailored welding schedules, improved electrode design, and selection of steels with enhanced weldability The insights presented in this review provide a comprehensive understanding of AHSS weldability and support the development of reliable, high performance spot welds in next generation automotive applications
کلیدواژهها
نویسندگان
Amirabbas Atarod
Bachelor's Degree, Iran University of Science and Technology
Rouholah Ashiri
Assistant Professor, Department of Metallurgy, Iran University of Science and Technology
شیوه ارجاع
Atarod, Amirabbas and Ashiri, Rouholah,1404,Challenges in Weldability of Advanced High Strength Automotive Steels during Resistance Spot Welding,8th International Conference on Welding and Non Destructive Testing & 26th National Conference on Welding & Inspection & 15th National Conference on NDT & 4th National Conference on Additive Manufacturing,Tehran
ارائهشده در
مجموعه مقالات هشتمین کنفرانس بین المللی جوشکاری و آزمایش های غیرمخرب، بیست و ششمین کنفرانس ملی جوش و بازرسی، پانزدهمین کنفرانس ملی آزمایش های غیرمخرب و چهارمین کنفرانس ملی ساخت افزایشی20 بهمن 1404 · تهران