Benner
نبيل علاوي البهادلي ( مدرس )
كلية الهندسة - المواد
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VARIATION OF MECHANICAL PROPERTIES OF COPPER COMPACTS PROCESSED IN HIGH ENERGY BALL MILLING
تحميل
بحث النوع:
هندسة التخصص العام:
Heider Yasser Thamir Nabeel Alawi Kadhim اسم الناشر:
Layth Fadhil Shakir اسماء المساعدين:
International Journal of Mechanical Engineering and Technology (IJMET) Volume 9, Issue 10, October الجهة الناشرة:
International Journal of Mechanical Engineering and Technology (IJMET) Volume 9, Issue 10, October 2018, pp. 260–265, Article ID: IJMET_09_10_025 Available online at http://www.iaeme.com/ijmet/issues.asp?JType=IJMET&VType=9&IType=10 ISSN Print: 0976-6340 and ISSN Online: 0976-6359  
2018 سنة النشر:

الخلاصة

A pure copper powders were high energy milled for 1, 3, and 5 hours in addition to non-milled copper. Each case was divided into two groups to be sintered at 825º and 900º C. Mechanical properties of copper consolidated compacts were characterized to determine the effects of milling time and sintering temperature on modulus of elasticity, yield strength, ultimate strength, hardness, and surface resistance to mechanical wear. Powders which milled for one and three hours show enhancements in all properties (except wear resistance) when compared to non-milled powder. Put, powders which milled for five hours show even near or lower values compared to non-milled powder. Specimens sintered at 825º C have higher values of a specific property when compared to specimens sintered at 900º C, regarding their milling is the same. Wear resistance for non-milled specimen is better of the all, and specimens sintered at 900º C have higher resistance to mechanical wear more than those sintered at 825º C.