硬質(zhì)中厚氧化鋁板、模具中厚氧化鋁板脫碳 多采用2***系鋁合金、6***系鋁合金、7***系鋁合金，硬質(zhì)中厚氧化鋁板、模具中厚氧化鋁板鋁合金預(yù)拉伸板制零部件普通對強度請求較高。例如：2014鋁合金預(yù)拉伸板、2017鋁合金預(yù)拉伸板、2024鋁合金預(yù)拉伸板、2A 12鋁合金預(yù)拉伸板、2A 14鋁合金預(yù)拉伸板、6061鋁合金預(yù)拉伸板、6082鋁合金預(yù)拉伸板、7A 04鋁合金預(yù)拉伸板、7B04鋁合金預(yù)拉伸板、7A 09鋁合金預(yù)拉伸板、7050鋁合金預(yù)拉伸板、7075鋁合金預(yù)拉伸板等2A 12
　　Carbon removal of hard medium-thickness alumina plate and die medium-thickness alumina plate mostly adopts 2 *** series aluminium alloy, 6 *** series aluminium alloy and 7 *** series aluminium alloy. Hard medium-thickness alumina plate and die medium-thickness alumina plate parts of aluminium alloy pre-stretching plate generally require higher strength. For example: 2014 aluminum alloy pre-stretching plate, 2017 aluminum alloy pre-stretching plate, 2024 aluminum alloy pre-stretching plate, 2A12 aluminum alloy pre-stretching plate, 2A14 aluminum alloy pre-stretching plate, 6061 aluminum alloy pre-stretching plate, 6082 aluminum alloy pre-stretching plate, 7A 04 aluminum alloy pre-stretching plate, 7A 09 aluminum alloy pre-stretching plate, 7050 aluminum alloy pre-stretching plate, 7075 aluminum alloy pre-stretching plate, etc. 2A 12
　　硬質(zhì)中厚氧化鋁板、模具中厚氧化鋁板脫碳

　　Decarbonization of Hard Medium Thick Alumina Plate and Die Medium Thick Alumina Plate
　　多采用2***系鋁合金、6***系鋁合金、7***系鋁合金，硬質(zhì)中厚氧化鋁板、模具中厚氧化鋁板鋁合金預(yù)拉伸板制零部件普通對強度請求較高。例如：2014鋁合金預(yù)拉伸板、2017鋁合金預(yù)拉伸板、2024鋁合金預(yù)拉伸板、2A 12鋁合金預(yù)拉伸板、2A 14鋁合金預(yù)拉伸板、6061鋁合金預(yù)拉伸板、6082鋁合金預(yù)拉伸板、7A 04鋁合金預(yù)拉伸板、7B04鋁合金預(yù)拉伸板、7A 09鋁合金預(yù)拉伸板、7050鋁合金預(yù)拉伸板、7075鋁合金預(yù)拉伸板等2A 12中厚氧化鋁板6061中厚氧化鋁板、5052中厚氧化鋁板、3003中厚氧化鋁板、3A 21中厚氧化鋁板、5083中厚氧化鋁板、1060中厚氧化鋁板、2024中厚氧化鋁板、5A 05中厚氧化鋁板、6082中厚氧化鋁板、
　　Aluminum alloy of 2 *** series, 6 *** series and 7 *** series are mostly used. Aluminum alloy parts of hard medium-thickness alumina plate and die medium-thickness alumina plate require higher strength. For example: 2014 aluminum alloy pre-stretching plate, 2017 aluminum alloy pre-stretching plate, 2024 aluminum alloy pre-stretching plate, 2A12 aluminum alloy pre-stretching plate, 2A14 aluminum alloy pre-stretching plate, 6061 aluminum alloy pre-stretching plate, 6082 aluminum alloy pre-stretching plate, 7A 04 aluminum alloy pre-stretching plate, 7A 09 aluminum alloy pre-stretching plate, 7050 aluminum alloy pre-stretching plate, 7075 aluminum alloy pre-stretching plate, etc. 2A 12 Medium and Thick Alumina Plate 6061 Medium and Thick Alumina Plate, 5052 Medium and Thick Alumina Plate, 3003 Medium and Thick Alumina Plate, 3A 21 Medium and Thick Alumina Plate, 5083 Medium and Thick Alumina Plate, 1060 Medium and Thick Alumina Plate, 2024 Medium and Thick Alumina Plate, 5A 05 Medium and Thick
　　7050中厚氧化鋁板、7A 04中厚氧化鋁板、LY12-CZ中厚氧化鋁板、6A 02中厚氧化鋁板、7075中厚氧化鋁板、6063中厚氧化鋁板、合金中厚氧化鋁板、5754中厚氧化鋁板、硬質(zhì)中厚氧化鋁板、模具中厚氧化鋁板、機加工中厚氧化鋁板、油箱中厚氧化鋁板等。1氧化鋁板脫碳 脫碳是由于鋼件在加熱或保溫時，因四周氛圍的作用，使外表層局部的碳全部或局部喪失的現(xiàn)象和反響。鋼件的脫碳不只會形成硬度缺乏、淬裂和熱處置變形及化學熱處置缺陷，而且對疲倦強度、耐磨性及模具性能也有很大影響。2氧化鋁板韌性缺乏 韌性缺乏的緣由可能是淬火溫渡過高，且保溫時間過長惹起晶粒粗化形成的或由于沒有避開回火脆性區(qū)停止回火。3氧化鋁板磨削裂紋 當工件內(nèi)有大量的殘留奧氏體時，磨削熱的作用下，發(fā)作回火轉(zhuǎn)變，從而q355c方管產(chǎn)生組織應(yīng)力，招致工件開裂。其預(yù)防措施是淬火后停止深冷處置或?qū)掖畏磸?fù)回火(模具回火普通為23次，即便是冷加工用低合金工具鋼也是如此)較大限度地降低殘留奧氏體量。4氧化鋁板放電加工惹起的裂紋 模具制造中，采用放電加工(電脈沖及線切割)越來越普遍采用的加工辦法，但隨著放電加工的普遍應(yīng)用，其惹起的缺陷也相應(yīng)增加。由于放電加工是借助于放電所產(chǎn)生的高溫而使模具外表凝結(jié)的加工辦法，因而，其加工外表構(gòu)成白色的放電加工蛻變層，并產(chǎn)生800mpa左右的拉應(yīng)力，這樣，模具的電加工過程中常呈現(xiàn)變形或裂紋等缺陷。因而，采用放電加工的模具，必需充沛控制放電加工對模具資料的影響，并預(yù)先采取相應(yīng)的預(yù)防措施。這是氧化鋁板中經(jīng)常呈現(xiàn)的質(zhì)量問題，關(guān)于氧化鋁板要加強它各個方面的優(yōu)勢和特征，購置的時分要格外地停止去留意，這樣的話氧化鋁板在購置的時分就可以防止呈現(xiàn)這些毛病，也防止上上當。
　　7050 medium-thick alumina plate, 7A 04 medium-thick alumina plate, LY12-CZ medium-thick alumina plate, 6A 02 medium-thick alumina plate, 7075 medium-thick alumina plate, 6063 medium-thick alumina plate, alloy medium-thick alumina plate, 5754 medium-thick alumina plate, hard medium-thick alumina plate, die medium-thick alumina plate, machined medium-thick alumina plate, oil tank medium-thick alumina plate, etc. 1 The decarbonization and decarbonization of alumina plate is due to the phenomenon and reaction of partial loss of carbon in the outer layer due to the effect of surrounding atmosphere when steel parts are heated or insulated. Decarburization of steel not only results in hardness deficiency, quenching, heat treatment deformation and chemical heat treatment defects, but also has a great influence on fatigue strength, wear resistance and die performance. The reason for the lack of toughness of alumina plate may be that the quenching temperature is too high and the holding time is too long, which causes the grain coarsening or stops tempering because the tempering brittle zone is not avoided. 3. When there is a large amount of retained austenite in the workpiece, the tempering transformation occurs under the action of grinding heat, which results in the microstructural stress of q355c square pipe and the cracking of the workpiece. The preventive measures are to stop cryogenic treatment or repeated tempering after quenching (die tempering is usually 23 times, even for cold working low alloy tool steels) to minimize the amount of retained austenite. 4. In the manufacturing of crack dies caused by EDM of alumina plate, EDM (electric pulse and wire cutting) is more and more widely used. However, with the widespread application of EDM, the defects caused by EDM increase correspondingly. Because EDM is a processing method that solidifies the surface of dies by means of high temperature generated by discharge, the surface of the dies formed a white EDM degeneration layer and produced about 800 MPa of tensile stress. In this way, defects such as deformation or cracks often occur in the process of dies'EDM. Therefore, it is necessary to fully control the influence of EDM on die data and take corresponding preventive measures in advance. This is a quality problem often presented in alumina board. As for alumina board, we should strengthen its advantages and characteristics in all aspects. We should pay special attention to the purchase time. In this way, alumina board can prevent these defects and be deceived when it is purchased.