| About this Abstract |
| Meeting |
MS&T24: Materials Science & Technology
|
| Symposium
|
Processing and Performance of Materials Using Microwaves, Electric and Magnetic Fields, Ultrasound, Lasers, and Mechanical Work – Rustum Roy Symposium
|
| Presentation Title |
Evaluating the Effect of Reinforcement on the Specific Damping Capacity of Microwave Casted Nickel-Copper Alloy |
| Author(s) |
Ashok Kumar, Ashish Kumar, Sumit Sharma |
| On-Site Speaker (Planned) |
Ashok Kumar |
| Abstract Scope |
Microwave casting is a modern manufacturing technique, utilizing microwave energy as a heat source to cast the materials. Structural components made up of such technique may undergo dynamic failure due to resonance. Materials with high value of specific damping capacity (SDC) are often used in engineering applications. In this paper, specimens of Nickel-Copper alloy of size 140×35×2 mm3 are casted using microwave energy at variable Copper reinforcement of 5%, 10 %, 20 %, 30% and 50 % by weight percentage. A domestic microwave applicator of 2.45 GHz frequency and 900 W power levels is utilized to cast the specimens. After microwave casting, the specific damping capacities of casted specimens are studied experimentally subjected to free vibrations. It is observed that the SDC of the Nickel-Copper alloy specimen increases with increase in the Copper reinforcement. This shows that the reinforcement put a major influence on the dynamic characteristics of an alloy. |