OS8-40 Improvement of Bonding Force Between Abrasive Grains and Matrix in Cu-Based Diamond Grinding Wheel Fabricated by Centrifugal Mixed-Powder Method(Advanced materials,OS8 Fatigue and fracture mechanics,STRENGTH OF MATERIALS)

2015 ◽  
Vol 2015.14 (0) ◽  
pp. 150
Author(s):  
Hisashi Sato ◽  
Akira Mizuno ◽  
Yuta Mamiya ◽  
Motoko Yamada ◽  
Yoshimi Watanabe
Keyword(s):  
Fracture Mechanics ◽  
Advanced Materials ◽  
Grinding Wheel ◽  
Strength Of Materials ◽  
Mixed Powder ◽  
Bonding Force ◽  
Diamond Grinding Wheel ◽  
Powder Method ◽  
Abrasive Grains ◽  
Fatigue And Fracture

scholarly journals Improvement of bonding force between abrasive grains and matrix in Cu/diamond composite fabricated by centrifugal mixed-powder method

2016 ◽  
Vol 3 (6) ◽  
pp. 16-00297-16-00297 ◽  
Author(s):  
Hisashi SATO ◽  
Akira MIZUNO ◽  
Yuta MAMIYA ◽  
Motoko YAMADA ◽  
Yoshimi WATANABE
Keyword(s):  
Mixed Powder ◽  
Bonding Force ◽  
Diamond Composite ◽  
Powder Method ◽  
Abrasive Grains

Fabrication of Metal-Based Functionally Graded Grinding Wheel by a Centrifugal Mixed-Powder Method

2012 ◽  
Vol 706-709 ◽  
pp. 661-666 ◽  
Author(s):  
Eri Miura-Fujiwara ◽  
Hisashi Sato ◽  
Motoko Yamada ◽  
Yoshimi Watanabe
Keyword(s):  
Centrifugal Force ◽  
Alloy System ◽  
Functionally Graded ◽  
Grinding Wheel ◽  
Migration Behavior ◽  
Mixed Powder ◽  
Cross Sectional ◽  
Diamond Grinding Wheel ◽  
Powder Method ◽  
Diamond Grinding

Metal-bonded diamond grinding wheel was fabricated by a centrifugal mixed-powder method. The centrifugal mixed-powder method is a novel and effective casting process to obtain functionally graded material (FGM). At the beginning, we performed fundamental experiments using Al-Si alloy system for the purpose of knowing the migration behavior of mixed-powder under centrifugal force. Al-Si hypereutectic alloyed-powder or mixed-powder of Al and Si particles was placed into the mold, and then Al molten metal was cast under a centrifugal force. Cross sectional microstructure observation and quantitative analysis of Si content were conducted using an electron probe microanalyzer. Amount of Si decreased with receding from a mixed-powder region. Si concentration gradient in the sample fabricated Al-Si powder was smaller than the one fabricated using mixed-powder of Al and Si particles. Subsequently, φ 20 mm Cu/diamond grinding wheel was fabricated by the casting method. Graded diamond distribution was successfully obtained.

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