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1)  high pressure resistant ductile iron castings
耐压球铁件
2)  heat-resisting nodular cast iron
耐热球铁
1.
8 heat-resisting cast iron production cement kiln refrigerator with the heat-resisting nodular cast iron to raise the yard lumber the working condition and the craft technology.
介绍用耐热球铁(RQTS i5)代替RTC r0。
3)  pressured spherical hull
耐压球壳
1.
Because these openings will weaken the Ultimate Strength of the pressured spherical hull and pressured spherical hull works in the environment of the sea of kilometers deep, knowing the mainly pressured structure s ultimate strength will be of great significance and Designers must also issues of concern.
本文利用ABAQUS有限元软件对开孔耐压球壳的极限强度进行了非线性有限元分析,计算了开孔的大小及加强围壁参数的变化对壳体极限强度的影响。
4)  pressure spherical hull
耐压球壳
1.
In this paper the structure multi-objective optimal design of the pressure spherical hull in a deep manned submersible is completed with a combined optimal method which is based on Response Surface Method(RSM) and Genetic Algorithm(GA).
采用基于响应面(RSM)近似模型和遗传算法(GA)对某深海载人潜水器耐压球壳进行多目标优化设计。
2.
In this paper the structure optimal design of the pressure spherical hull in a deep manned submersible is completed with a combined optimal method and this method is based on Response Surface Method (RSM) and Genetic Algorithm (GA).
本文采用组合优化方法对某深海载人潜水器耐压球壳进行优化,该组合优化方法基于响应面(RSM)近似模型和遗传算法(GA)。
5)  pressure spherical shell
耐压球壳
1.
The pressure spherical shell made of titanium alloy in the manned deep-sea submersible is moderate-thick shell.
钛合金制深海载人潜水器耐压球壳属中厚度壳结构,上面设有人孔、观察窗等多个开孔,加工建造过程中又会产生初始缺陷,因此,这类结构的极限强度乃是设计者所必须关注的问题。
2.
For the ultimate strength of pressure spherical shell with openings, the nonlinear finite element analysis is performed by ANSYS.
深海载人潜水器钛合金耐压球壳属中厚度壳结构,上面设有人孔、观察窗等多个开孔,加工建造过程中又会产生初始缺陷。
6)  pressure sphere
耐压球
补充资料:球铁
分子式:
CAS号:

性质:又称球铁。在灰铸铁铁水中加入一定量的球化剂和孕育剂进行球化处理,使铸态下析出的石墨呈球状(即球墨化)的铸铁。球状石墨存在削弱了片状石墨尖端的应力集中效应,使球铁的强度和延性比普通铸铁提高,故把球铁常称为延性铸铁。常用的球化剂有镁、镁合金、稀土等。孕育剂采用75%硅铁、稀土硅铁。球铁可进行各种热处理,以发送或得到要求的基体组织。依基体组织的不同,球铁分为:铁素体球铁、珠光体球铁和贝氏体球铁。球铁铸造性能优于铸钢、力学性能优于铁接近于钢、且价格低廉,广泛用来制造受力复杂,对强韧性和耐磨性要求较高的零件,如曲轴、齿轮、高压缸、汽车底盘零件等。

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