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The paper presents a new method to synthesize β-Sialon bonded corundum brick (β-SBCB) from Al-Si alloydirectly and easily under 1430℃, the volume expansion ofreaction between Al powder and Nitrogen can help to estab-lish the fast diffusion channel in Al-Si alloy; the suitablecrystal seed of Si_3N_4 is helpful to the fast synthesis of β-Sialon.
The paper presents a new method to synthesize β-Sialon bonded corundum brick (β-SBCB) from Al-Si alloydirectly and easily under 1430 ° C, the volume expansion of react between Al powder and Nitrogen can help to establish-fast the fast diffusion channel in Al-Si alloy; the suitable crystal seed of Si_3N_4 is helpful to the fast synthesis of β-Sialon.