Nội dung được dịch bởi AI, chỉ mang tính chất tham khảo
Công nghệ niêm phong mới cho kính siêu mỏng với hợp kim nhôm bằng phương pháp hàn truyền laser
Tóm tắt
Một nghiên cứu thực nghiệm về hàn truyền laser giữa kính trong suốt và hợp kim nhôm bằng laser xung mili giây được báo cáo với mục đích niêm phong hermetically kính với kim loại. Trước khi tiến hành quá trình niêm phong bằng laser, một lớp phủ oxit đã được chuẩn bị trên bề mặt hợp kim nhôm bằng quy trình ôxi hóa vi cầu. Ảnh hưởng của các tham số xử lý laser đến lực cắt, hình thái mối hàn và giao diện mối hàn được khảo sát, và cơ chế hình thành của mối hàn được phân tích. Kết quả cho thấy lớp phủ ôxi hóa vi cầu có thể hoạt động hiệu quả như một lớp hấp thụ năng lượng laser và lớp đệm cho các mối hàn. Ngoài ra, lý do chính để thực hiện sự liên kết giữa hai vật liệu này nằm trong cấu trúc ghép hỗn hợp hình thành bên trong các mối hàn. Khi công suất laser là 100 W, độ rộng xung laser 2.5 ms, tốc độ hàn 3 mm/s và tần số laser 10 Hz, các mối hàn có thể đạt được khả năng niêm phong tốt.
Từ khóa
#hàn truyền laser #kính trong suốt #hợp kim nhôm #niêm phong hermetically #ôxi hóa vi cầu #mối hànTài liệu tham khảo
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