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Advances in Materials Science and Engineering
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2018
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Article
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Tab 7
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Research Article
Impact Analysis of Brake Pad Backplate Structure and Friction Lining Material on Disc-Brake Noise
Table 7
Comparison of critical modal frequencies between slotted backplate and unslotted backplate.
Order
Modal frequency (Hz)
Unslotted
Sample 1
Sample 2
Sample 3
Sample 4
Sample 5
1
3,276.5
3,257.5
3,240.8
3,214
3,208.6
3,180.3
2
4,101.7
4,064.9
4,046.2
4,010.2
4,031.2
3,997.4
3
6,660.2
6,623.6
6,589.3
6,546.7
6,580.5
6,578
4
7,379.4
7,133.6
7,045.9
6,923.6
7,039.7
6,960.4
5
12,048
12,011
12,000
11,914
11,872
11,825
6
12,891
13,060
12,585
12,121
12,776
12,711