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Figure 1

From: Hardness of Polycrystalline Wurtzite Boron Nitride (wBN) Compacts

Figure 1

(a) Transformation pressure-temperature diagram of wBN (Red circle: cBN, Black rhombus: wBN, Green triangle: wBN + cBN). (b) XRD patterns of the starting wBN, and the synthesis products synthesized at 20 GPa and 1,150 °C, 1,250 °C and 1,850 °C, respectively. (c) XRD patterns of hBN and wBN.

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