本研究採用複合軋延製程技術製作鋁/不銹鋼層狀金屬複合材料，鋁採用1050鋁合金，不銹鋼採用304不銹鋼。研究內容針對複合軋延製程做以下幾點探討，找出複合軋延製程中退火的最佳參數，以及了解最初軋延結合機制，同時分析界面擴散及界面微結構變化，並探討接界面微結構變化對於接合強度的影響。
由peel test試驗中得知，鋁/不銹鋼層狀金屬複合材料在軋延率33％條件下，以500℃溫度持溫1個小時能夠得到最佳接合強度。304不銹鋼和1050鋁合金最初軋延接合機制是藉由鋁塞入不銹鋼縫隙中，形成機械式的塞擠達到接合目的。界面凸出的不銹鋼為退火過程中擴散路徑，在退火過程中界面凸出不銹鋼和鋁形成更強的接合，導致接合強度上升，剝離面型態為延性破壞。在500℃溫度持溫2個小時條件下，界面凸出不銹鋼周圍的鋁基材開始生成新的微結構，當以500℃溫度持溫達到3個小時，新的微結構在界面形成層狀結構，導致接合強度下降並且剝離面型態由延性破壞轉為脆性破壞。

In this study, aluminum/stainless clad metal is produced by clad-roll bonding technology. 1050 aluminum alloy and 304 stainless steel are used in this study. The contents of this study are the following discussion for clad-roll bonding technology. First, it is found out the best annealing parameter is under 13％ reduction ratio. Second, the initial clad-roll bonding mechanism is demonstrated. Simultaneously, diffusion condition in the interface and the interface microstructures are analyzed. Finally, the effects of transformation of interface microstructures on bonding strength are discussed.
Aluminum/stainless clad metal has the best bonding strength with 500℃ heated 1 hours under 13％ reduction ration from peel test. The initial clad-roll bonding mechanism of 1050 aluminum alloy and 304 stainless is by the way of aluminum stuffed into crack of stainless steel. The protruding stainless steel in the interface is the diffusion route and forms the better joint with aluminum in the annealing process, which results in the enhancement of bonding strength. The fracture surface is ductile fracture. New microstructures have grown in aluminum matrix near by the protruding stainless steel in the interface with 500℃ heated 2 hours, and they form a layer structure with 500℃ heated 3 hours. It results in decrement of bonding strength, and the fracture surface transforms into brittle fracture.

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