LD10是什么材质

LD10是铝合金材质。

LD10铝合金具有良好的可切削性，电阻率.点焊和缝焊性能良好，电弧焊和气焊性能差可热处理强化，有挤压效应因此，纵向.横向性能有所差异耐蚀性不高，但在人工时效状态时晶间腐蚀倾向和应力腐蚀破裂倾向。

LD10铝合金的化学成分

铝&nbspAl ：余量&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp

硅 Si ：0.6～1.2&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp

铜 Cu ：3.9～4.8&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp

镁 Mg：0.40～0.8

锌 Zn：≤0.30&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp

锰 Mn：0.40～1.0&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp

钛 Ti ：≤0.15&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp

镍 Ni：≤0.10&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp

铁 Fe： 0.000～ 0.700

LD10铝合金的力学性能&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp

抗拉强度 σb (MPa)：≥440&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp

伸长率 δ5 (％)：≥10

LD10铝合金的热处理

1，均匀化退火:加热475～490℃保温12～14h炉冷。

2，完全退火:加热350～400℃随材料有效厚度不同，保温时间30～120min以 30～50℃/h速度随炉冷至300℃下，再空冷。

3.快速退火:加热350～460℃保温时间30～120min空冷。

4，淬火和时效:淬火 495～505℃，水冷自然时效室温96h。

LD10是什么材质

正 LD10属热处理强化的Al-Cu-Mg-Si系高强铝合金，相当于美1014和苏AK-8(?)LD10CS的比强度为2.8×10~6cm，是航天型号产品的重要结构材料。