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Improving the property of calcium ferrite using a sonochemical method.
Ruirui Wei1, Xuewei Lv2, Mingrui Yang1
1College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China.
Ultrasonics Sonochemistry
|March 21, 2018
Summary
Power ultrasonic vibration accelerates calcium ferrite (CF) solidification, refining grains and improving strength. This process enhances CF reducibility and reduces reduction time for industrial applications.
Area of Science:
- Materials Science
- Metallurgy
- Chemical Engineering
Background:
- Calcium ferrite (CF) is a crucial material in metallurgical processes.
- Optimizing CF solidification is key to improving its properties and performance.
- Current methods for enhancing CF properties may have limitations.
Purpose of the Study:
- To investigate the effect of power ultrasonic vibration on the solidification of calcium ferrite (CF) melt.
- To determine how ultrasonic treatment influences CF grain size, compressive strength, and reducibility.
- To assess the potential of ultrasonic vibration as a method for improving CF slag properties.
Main Methods:
- Application of power ultrasonic vibration during the solidification of calcium ferrite melt.
- Microstructural analysis to observe changes in CF grain size.
- Mechanical testing to measure compressive strength.
- Reducibility tests to evaluate performance in reduction processes.
Main Results:
- Ultrasonic vibration significantly accelerated the solidification process of CF melt.
- The average grain size of CF was reduced from 1893 μm to 437 μm.
- Compressive strength increased from 37.5 MPa to 67.8 MPa.
- Reduction time decreased from 225 min to 136 min, indicating improved reducibility.
Conclusions:
- Power ultrasonic vibration is an effective method for refining calcium ferrite grains during solidification.
- Ultrasonic treatment enhances the mechanical properties and reducibility of CF slags.
- This technique offers a promising approach for improving the quality and performance of calcium ferrite materials.
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