水泥添加剂用来改变水泥的密度、凝固时间、抗压强度、流动性能和脱水率，并用来使水泥膨胀以及降低水泥成本。
Cement additives are used to change the cement's density, setting time, compressive strength, flow properties and dehydration rate, to cause the cement to expand, and to reduce the cost of the cement.
同时调整碳硅含量，可有效地改变灰铸铁凝固转变过程的体积收缩和膨胀特性。
By changing the carbon and silicon in a proper way at the same time, the volume expansion or shrinkage feature in the cast iron solidification can be significantly changed.
利用球墨铸铁凝固过程中的石墨化膨胀，进行自身补缩，可以实现少胃口或无冒口铸造。
The self-compensated contraction caused by graphite dilatation in the solidification process of nodular cast iron makes casting with less flow-off or casting without flow-off possible.
研究了可膨胀石墨含量和温度对复合保护渣导热系数的影响规律。研究结果可用于：计算钢锭模帽口散热及帽口内钢水凝固时间；
The effect of expanding graphite content and temperature on the thermal conductivity of compound mold flux is studied through laboratorial measures.
导热油的凝固点较低，能够在寒冷的冬季使用，即使万一凝固，因为它凝固时不膨胀，所以没有冻裂设备的危险。
The freezing point of heat conductive oil is relatively low and can be used in cold winter. Even if it is solidified, there is no expansion and no danger for cracking equipment.
用二氧化碳激光快速凝固技术合成了负热膨胀材料钨酸钇。
A negative thermal expansion material of yttrium tungstate was synthesized by rapid solidification with a CO2 laser.
合金；快速凝固；往复挤压；强化机制；热膨胀系数；
Solidification; Reciprocating Extrusion; Strengthening Mechanism; Thermal Expansion Coefficient;
合金；快速凝固；往复挤压；强化机制；热膨胀系数；
Solidification; Reciprocating Extrusion; Strengthening Mechanism; Thermal Expansion Coefficient;
应用推荐