几乎没有哪个地方的应用能说明需要比直升飞机传动更可靠的齿轮材料,也几乎没有哪个地方的应用对齿轮材料提出了比承受完全没有润滑的直升飞机传动更恶劣的环境。为此就需要提高齿轮材料在较宽温度范围工作的能力。Carpenter技术公司研制了 Almost none of the applications illustrate the need for more reliable gear materials than helicopter transmissions, and there are few applications where gear materials are harsher than gearwheels that do not lubricate helicopters. To this end, there is a need to increase the ability of gear materials to work over a wide temperature range. Carpenter Technologies developed