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Investigation of mechanical and micro structural properties of ST14 steel sheet joints by friction stir welding process

تعداد صفحات: 4 | تعداد نمایش خلاصه: 28 | نظرات: 0
سال انتشار: 1399
کد COI Paper: ISME28_341
زبان Paper: Englishglish
نسخه کامل Paper در کنفرانس ارائه نشده است و در دسترس نیست.

مشخصات نویسندگان Paper Investigation of mechanical and micro structural properties of ST14 steel sheet joints by friction stir welding process

Mahmoud Afshari - PhD Student, Mechanical Engineering, Maleke Ashtar university of technology, Tehran, Iran,
Hossein Norozi Foroushani - MSc, Welding Engineering, Amir Kabir university of technology/ Department of Mechanical Engineering, Tehran, Iran,
Ehsan Salahshour Rad - MSc, Materials Engineering, Maleke Ashtar university of technology, Tehran, Iran,
Iraj Sattari Far - Associate Professor, Amir Kabir university of technology/Department of Mechanical Engineering, Tehran, Iran,

چکیده Paper:

High strength and ductility are some of the reasons that make ST14 steel one of the most widely used steels in the automotive and aerospace industries. Friction stir welding is one of the new methods of solid -state welding that is proposed as a method with desirable mechanical properties.In this study, mechanical and microstructural properties of 1.5mm thick ST14 steel sheets were investigated in the friction stir welding process. The results of the tensile test showed that the welded specimen with rotational speed of 800 rpm and linear motion speed of 80 mm/min had the highest tensile strength of 305 MPa and failure occurred from the base metal. In addition, the results of the metallographic test showed that the sample with 1000 rpm rotational speed and 50 mm/min linear motion speed had the highest heat input to the piece, and therefore the tungsten carbide particles were separated from the instrument and entered the stirred zone. Also the results of micro hardness test showed that in the welded specimen with rotational speed of 1000 rpm and linear motion speed of 50 mm/min, the hardness increased to 115 ± 1 HV in the stirred zone, which is higher than the hardness of other samples in the same region. It can be claimed that tungsten carbide particles are present in this area.

کلیدواژه ها:

Friction Stir Welding, ST14 steel, microstructure, tensile strength, hardness

کد Paper/لینک ثابت به این Paper

برای لینک دهی به این Paper می توانید از لینک زیر استفاده نمایید. این لینک همیشه ثابت است و به عنوان سند ثبت Paper در مرجع سیویلیکا مورد استفاده قرار میگیرد:

https://civilica.com/doc/1029353/

کد COI Paper: ISME28_341

نحوه استناد به Paper:

در صورتی که می خواهید در اثر پژوهشی خود به این Paper ارجاع دهید، به سادگی می توانید از عبارت زیر در بخش منابع و مراجع استفاده نمایید:
undefined, undefined و undefined, undefined و undefined, undefined و undefined, undefined,1399,Investigation of mechanical and micro structural properties of ST14 steel sheet joints by friction stir welding process,بیست و هشتمین کنفرانس سالانه بین المللی انجمن مهندسان مکانیک ایران,Tehran,,,https://civilica.com/doc/1029353

در داخل متن نیز هر جا که به عبارت و یا دستاوردی از این Paper اشاره شود پس از ذکر مطلب، در داخل پارانتز، مشخصات زیر نوشته می شود.
برای بار اول: (1399, Afshari, Mahmoud؛ Hossein Norozi Foroushani و Ehsan Salahshour Rad و Iraj Sattari Far)
برای بار دوم به بعد: (1399, Afshari؛ Norozi Foroushani و Salahshour Rad و Sattari Far)
برای آشنایی کامل با نحوه مرجع نویسی لطفا بخش راهنمای سیویلیکا (مرجع دهی) را ملاحظه نمایید.

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