si-mn meaning in English
硅锰
Examples
- Standard grade for turning , drilling , milling , reaming , countersinking of hardened steels , white and grey cast iron light metals , plastics and synthetic materials , al - si - mn - cu - alloys , glass , ceramics , graphite
对硬钢、白铸铁、灰铸铁、轻金属、塑料、合成材料、铝-硅-锰-铜合金、玻璃、陶器、石墨等进行车削、钻孔、铣削、铰孔、穿孔等加工的标准牌号。 - The time taken to reach maximum hardness decreased and the corresponding maximum hardness decreased with increasing aging temperature . the better properties of al - mg - si - mn - cr alloy were obtained after 8h at 175 ' c . the al - mg - si - mn - cr alloy resembles al - mg - si alloy in the way of the age hardening mechanism
在同一温度下，随着时效时间的延长，合金硬度逐渐上升，在达到时效硬度峰值后又逐渐降低，随着时效温度的升高，中南大学硕士学位论文川mg st mn cr合金组织与性能的研究合金达到时效硬度峰值的时间缩短，而相应的时效硬度峰值在减小。