Method for preparing metal composite sheet strip through electroplating deposition and rolling
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A technology of metal composite plates and metal strips, which is applied in metal rolling, metal rolling, metal processing equipment, etc., can solve problems such as uncontinuous production, low bonding strength, and poor plate shape, so as to improve comprehensive mechanical properties, The effect of good quality and numerical increase
Active Publication Date: 2020-04-17
TAIYUAN UNIV OF TECH
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[0009] The invention aims at the problems of additional stress in the composite strip produced by rolling in the prior art, which cannot be continuously produced, has poor shape, low bonding strength, and is easy to crack, and provides an electroplating deposition assisted rolling metal composite strip Methods
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[0041] 其中,λ为通孔面积占覆膜面积的比例,l b 为所述基材的长边的长度,w b 为所述基材的短边的长度,d c 为聚酯薄膜上通孔的直径大小;
[0042] 3)电镀沉积:首先,对已覆膜的基材用有机溶剂和碱性溶液清洗表面,接下来,用去离子水清洗表面,电镀溶液由铬酐(250g / L)、浓硫酸H 2 SO 4 (2.5g / L)组成,镀液流速为3.6L / min,两极间距为48mm,温度为55℃,电流密度为50A / dm 2, the pulse frequency is 10kHz, the pulse duty ratio is a square wave pulse current of 85%, and the thickness of the coating is 48um. After electroplating, the coating substrate is cleaned and dehydrogenated, and finally removed along the corners of the substrate in step 2) coating, such as figure 1 shown;
[0043] 4) Blank making: such as figure 2 , 3 As shown, the polished surface of the TA1 titanium plate and the 6061 aluminum plate are stacked and buckled, and then sent to...
Embodiment 2
[0048] A method for electroplating deposition-assisted rolling metal composite strips, comprising the following steps:
[0049] 1) Surface treatment: such as figure 1 , 2 As shown, select TA1 titanium plate and SUS304 stainless steel plate, the size of the stainless steel plate is 0.8 mm thick × 40 mm wide × 100 mm long, as the substrate 2; the titanium plate is 0.5 mm thick × 40 mm wide × 100 mm long, as the doubler plate 3, use The grinding machine cleans the surface of TA1 titanium plate and SUS304 stainless steel plate until the metal matrix is seen;
[0050] 2) Coating: First, use a polishing machine to polish the compound surface of the base material with a surface roughness of Ra0.3, and then coat the polished surface to be compounded. The through-hole polyester composite film has a through-hole diameter of 110um, and the ratio of the total through-hole area to the entire film area is:
[0051]
[0052] Among them, λ is the ratio of the via area to the film area...
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Abstract
The invention belongs to the technical field of metal composite sheet strips, and particularly relates to a method for preparing a metal composite sheet strip through electroplating deposition and rolling. The method comprises the following steps of 1, surface treatment, 2, laminating, 3, electroplating deposition, 4, blank manufacturing, 5, rolling, 6, thermal treatment, and 7, finishing. Electroplating deposition is combined with a traditional rolling process, a to-be-compounded surface of a metal sheet strip base material is deposited with a clad layer, one part of the deposited clad layeron the surface of the base material generates a hooking effect and a riveting effect with base material metals, the other part of the clad layer and an contact interface between the base material metals generate diffusion, the clad layer generating the hooking effect and the riveting effect with the base material metals prompts the coplastic deformation of the special-shaped metal sheet strips andthe clad layer under the action of a rolling force, the action area of the shearing force of the surfaces of the metals is remarkably increased, the numerical value is increased, the shearing actionof the metals is enhanced, the fracture of the interface between the metals is accelerated, the metallurgical welding is prompted, and the comprehensive mechanical performance is further improved through the combination with the post heat treatment.
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