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采用激光表面熔凝工艺，封闭热喷涂纯铝涂层中的孔隙减少了微裂纹。此法不仅提高了涂层质量，而且还使其抗氢渗透性能得到明显的改善。
Using laser surface fusion process, the pores in the closed thermal sprayed pure aluminum coating reduce microcracks. This method not only improves the coating quality, but also significantly improves the hydrogen permeation resistance.