STUDY ON B<sub>4</sub>C COATINGS BY VACUUM PLASMA SPRAYON THE FIRST WALL OF FUSION DEVICES

CHEN Junling; LIANG Rongqing; SUI Yifeng; HE Yexi

CHEN Junling, LIANG Rongqing, SUI Yifeng, et al. STUDY ON B4C COATINGS BY VACUUM PLASMA SPRAYON THE FIRST WALL OF FUSION DEVICES[J]. VACUUM AND CRYOGENICS, 1999, 5(3): 162-166.

Citation:

CHEN Junling, LIANG Rongqing, SUI Yifeng, et al. STUDY ON B4C COATINGS BY VACUUM PLASMA SPRAYON THE FIRST WALL OF FUSION DEVICES[J]. VACUUM AND CRYOGENICS, 1999, 5(3): 162-166.

Citation:

CHEN Junling, LIANG Rongqing, SUI Yifeng, et al. STUDY ON B4C COATINGS BY VACUUM PLASMA SPRAYON THE FIRST WALL OF FUSION DEVICES[J]. VACUUM AND CRYOGENICS, 1999, 5(3): 162-166.

STUDY ON B₄C COATINGS BY VACUUM PLASMA SPRAYON THE FIRST WALL OF FUSION DEVICES

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B₄C coating can provide low Z and stable refractory surface.B₄C coating with the thickness of 200 300 μm was processed by vacuum plasma spray（VPS） on the substrates of stainless steel and copper alloy,which is an econmical and more efficient technology.By optimizing the spraying parameters of B₄C deposit,a satisfactorily thermal shock resistance was obtained under the controlled temperature and atmosphere,which is suitable for plasma erosion protective purposes in nuclear fusion device.

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STUDY ON B4C COATINGS BY VACUUM PLASMA SPRAYON THE FIRST WALL OF FUSION DEVICES

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STUDY ON B₄C COATINGS BY VACUUM PLASMA SPRAYON THE FIRST WALL OF FUSION DEVICES