Physics · Material Science and Machining
निम्नलिखित कर्तन उपकरण (cutting tool) सामग्रियों में से, हीरे के बाद सबसे कठोर सामग्री कौन सी है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1क्यूबिक बोरॉन नाइट्राइड (Cubic boron nitride)✓
- 2सिमेंटेड कार्बाइड (Cemented carbide)
- 3सिरेमिक (Ceramics)
- 4हाई स्पीड स्टील (High speed steel)
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क्यूबिक बोरॉन नाइट्राइड (Cubic boron nitride)
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