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作者: PC 评论:0 热度:0

<p class="p"><img data-src="../../../wp-content/uploads/user_files/1/img/1742468761_21346865.png" data-fancybox="fancybox-bbs-post-img" loading="lazy" src="../../../wp-content/uploads/user_files/1/img_thum/1742468761_21346865.png" data-caption="6063铝合金与6061铝合金的特性与差别" /></p>
<p class="p"> 6061<span style="font-family: 宋体;">铝合金和</span><span style="font-family: Calibri;">6063</span><span style="font-family: 宋体;">铝合金都属于</span><span style="font-family: Calibri;">6XXX</span><span style="font-family: 宋体;">系列,即</span><span style="font-family: Calibri;">Al-Mg-Si</span><span style="font-family: 宋体;">系合金,是较为常见且应用广泛的铝合金材料,它们在特性上既有相似之处,也存在一定差别。</span></p>
<p class="p"><strong><span class="15"><span style="font-family: 宋体;">化学成分差异</span></span></strong></p>
<p class="p"> 6061<span style="font-family: 宋体;">铝合金中,硅(</span><span style="font-family: Calibri;">Si</span><span style="font-family: 宋体;">)含量在</span><span style="font-family: Calibri;">0.4-0.8%</span><span style="font-family: 宋体;">,镁(</span><span style="font-family: Calibri;">Mg</span><span style="font-family: 宋体;">)含量处于</span><span style="font-family: Calibri;">0.8-1.2% </span><span style="font-family: 宋体;">,同时还含有</span><span style="font-family: Calibri;">0.15-0.4%</span><span style="font-family: 宋体;">的铜(</span><span style="font-family: Calibri;">Cu</span><span style="font-family: 宋体;">),以及</span><span style="font-family: Calibri;">0.04-0.35%</span><span style="font-family: 宋体;">的铬(</span><span style="font-family: Calibri;">Cr</span><span style="font-family: 宋体;">)等元素。较高的镁含量赋予了它良好的强度提升潜力。</span><span style="font-family: Calibri;">6063</span><span style="font-family: 宋体;">铝合金的硅含量在</span><span style="font-family: Calibri;">0.2-0.6%</span><span style="font-family: 宋体;">,镁含量为</span><span style="font-family: Calibri;">0.45-0.9%</span><span style="font-family: 宋体;">,相比</span><span style="font-family: Calibri;">6061</span><span style="font-family: 宋体;">,其硅、镁含量相对较低,成分相对简单 。</span></p>
<p class="p"><strong><span class="15"><span style="font-family: 宋体;">物理特性不同</span></span></strong></p>
<p class="p"><strong><span class="15"><span style="font-family: 宋体;">强度与硬度:</span></span></strong>6061<span style="font-family: 宋体;">铝合金的强度和硬度较高,以</span><span style="font-family: Calibri;">T6</span><span style="font-family: 宋体;">状态为例,其拉伸强度可达</span><span style="font-family: Calibri;">290MPa</span><span style="font-family: 宋体;">,屈服强度为</span><span style="font-family: Calibri;">240MPa</span><span style="font-family: 宋体;">,硬度(</span><span style="font-family: Calibri;">500kg</span><span style="font-family: 宋体;">力</span><span style="font-family: Calibri;">10mm</span><span style="font-family: 宋体;">球)能达到</span><span style="font-family: Calibri;">95 </span><span style="font-family: 宋体;">。这使得它在承受较大压力、需要具备良好结构支撑的场景中表现出色。</span><span style="font-family: Calibri;">6063</span><span style="font-family: 宋体;">铝合金的 强度和硬度则相对较低,</span><span style="font-family: Calibri;">T6</span><span style="font-family: 宋体;">状态下拉伸强度为</span><span style="font-family: Calibri;">205MPa</span><span style="font-family: 宋体;">,屈服强度</span><span style="font-family: Calibri;">180MPa</span><span style="font-family: 宋体;">,硬度(</span><span style="font-family: Calibri;">HW</span><span style="font-family: 宋体;">)</span><span style="font-family: Calibri;">&ge;11.5 </span><span style="font-family: 宋体;">。不过在一些对强度要求不高,更注重其他特性的应用场景中,这样的强度也能满足需求。</span></p>
<p class="p"><strong><span class="15"><span style="font-family: 宋体;">加工性能:</span></span></strong>6063<span style="font-family: 宋体;">铝合金因其成分特点,拥有良好的加工性能,易于进行切削、焊接和成型操作,在制作复杂形状零件时优势明显。而</span><span style="font-family: Calibri;">6061</span><span style="font-family: 宋体;">铝合金由于硬度较高,在加工过程中难度相对较大,对工艺和设备要求更高,比如切削时需要更锋利的刀具和更高的切削速度,成型时需要更大的压力 。</span></p>
<p class="p"><strong><span class="15"><span style="font-family: 宋体;">抗腐蚀性:</span></span></strong><span style="font-family: 宋体;">两种铝合金都具备不错的抗腐蚀能力,在大气环境下都能较好地抵抗锈蚀。不过,</span>6063<span style="font-family: 宋体;">铝合金由于成分相对简单,在一些特定腐蚀环境中,其抗腐蚀稳定性稍强一点。</span></p>
<p class="p"><strong><span class="15"><span style="font-family: 宋体;">热膨胀系数:</span></span></strong>6061-T651<span style="font-family: 宋体;">的热膨胀系数(</span><span style="font-family: Calibri;">20-100℃</span><span style="font-family: 宋体;">)为</span><span style="font-family: Calibri;">23.6&mu;m/m&middot;k</span><span style="font-family: 宋体;">,</span><span style="font-family: Calibri;">6063</span><span style="font-family: 宋体;">在相近状态下的热膨胀系数与之较为接近,但因具体成分和处理状态不同会有细微差异 。在涉及到温度变化较大的应用场景中,这种热膨胀特性的差异可能会影响到材料的使用效果。</span></p>
<p class="p"><strong><span class="15"><span style="font-family: 宋体;">适用领域差别</span></span></strong></p>
<p class="p"><strong><span class="15">6061<span style="font-family: 宋体;">铝合金:</span></span></strong><span style="font-family: 宋体;">凭借较高的强度和硬度,广泛应用于航空航天领域,如制造飞机的一些结构件、起落架部件等,需要材料能够承受飞行过程中的各种应力。在汽车工业中,常用于制造汽车发动机零件、轮毂等;运动器材方面,像是自行车车架、高尔夫球杆等,需要材料兼具强度与一定的轻量化特性,</span>6061<span style="font-family: 宋体;">铝合金也能很好地满足 。</span></p>
<p class="p"><strong><span class="15">6063<span style="font-family: 宋体;">铝合金:</span></span></strong><span style="font-family: 宋体;">由于良好的加工性能和抗腐蚀性,在建筑领域应用极为广泛,像建筑门窗框架、幕墙型材等,既需要材料能够容易加工成各种形状,又要保证长期使用过程中不被腐蚀。室内装饰方面,制作一些装饰线条、造型摆件等,</span>6063<span style="font-family: 宋体;">铝合金能轻松实现设计师的创意 。</span></p>

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