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复合板的测定方式以及四大分类要点

来源:/ 日期:2022-06-23 发布人:jiangucaigang
复合板的测定方式
Determination method of composite plate
复合板在较高或较低温度下都会发生相分离,只有当温度在UCST < T < L CST 范围内时,任何复合板成分的共混物都是单相的。
The composite plates will undergo phase separation at higher or lower temperatures. Only when the temperature is within the range of ucst < T < l CST, the blends of any composite plate component are single-phase.
原则上,所有对复合板相结构敏感的方法都可以确定相界,如热分析法和动态力学法; 或者可以直接观察物相结构和形貌的方法,如扫描电镜、透射电镜等。 下面给出使用散射光强度 I 确定相边界的示例。
In principle, all methods sensitive to the phase structure of composite plates can determine the phase boundary, such as thermal analysis and dynamic mechanics; Or we can directly observe the phase structure and morphology, such as scanning electron microscope, transmission electron microscope and so on. An example of determining the phase boundary using the scattered light intensity I is given below.
对于一般的多相共混体系,分散相的尺寸通常在数百纳米到数十微米的范围内。 这个尺寸的下限已经与可见光的波长相当。 因此,当光通过该类材料时,会发生强烈的光散射并出现浑浊,而当为单相时,不会出现散射光强度的突变。 利用光散射的这一特性,可以确定相界线,并给出一个典型的结果。 复合板的散射光强度曲线随温度突然变化的温度,通常称为“浊点”。
For general multiphase blends, the size of dispersed phase usually ranges from hundreds of nanometers to tens of microns. The lower limit of this size is already equivalent to the wavelength of visible light. Therefore, when light passes through such materials, strong light scattering and turbidity will occur, while when it is single-phase, there will be no sudden change in the intensity of scattered light. Using this characteristic of light scattering, the phase boundary can be determined and a typical result is given. The temperature at which the scattered light intensity curve of the composite plate changes suddenly with temperature is usually called "cloud point".
复合板的四大分类要点
Four key points of composite board classification
抗氧化复合板的铬含量约为13%(质量分数),具有良好的抗氧化、耐蚀能力及较高的强度和热强性能。因其碳含量不同,性能和用途各异。低碳含量复合板用作200℃以下工作的承力构件,如螺栓、接头、轴销等。高碳含量复合板用作耐热耐磨的涡流器、阀门、轴等。
The chromium content of the anti-oxidation composite plate is about 13% (mass fraction), which has good anti-oxidation, corrosion resistance, high strength and thermal strength properties. Due to its different carbon content, it has different properties and uses. Low carbon composite plates are used as load-bearing components working below 200 ℃, such as bolts, joints, shaft pins, etc. High carbon content composite plate is used as heat-resistant and wear-resistant eddy current device, valve, shaft, etc.
户外复合板中添加有较多量的补充强化元素,经淬火和中温回火产生二次硬化进一步提高强度和热强性,广泛用作300℃以下工作的发动机压气机叶片、盘件、轴颈、环形件及其他重要承力件。
A large amount of supplementary strengthening elements are added to the outdoor composite plate. After quenching and medium temperature tempering, secondary hardening is generated to further improve the strength and thermal strength. It is widely used as engine compressor blades, discs, journal, ring parts and other important bearing parts working below 300 ℃.
济南复合板厂
室内复合板是一类介于户外复合板和防水复合板之间的沉淀硬化高强度板。该类板在室温下为常规组织,塑性和加工成形性能优良,经深冷和时效处理后可达到高强度,还可通过冷变形实现超高强度。
Indoor composite board is a kind of precipitation hardening high-strength board between outdoor composite board and waterproof composite board. This kind of plate is a conventional structure at room temperature, with excellent plasticity and processing formability. After cryogenic and aging treatment, it can achieve high strength, and can also achieve ultra-high strength through cold deformation.
济南复合板厂厂认为强化复合板因其铬含量高,抗氧化性、又因其在室温下能保持稳定的组织,无磁性,具有优良的塑性和加工成形性能,广泛用作飞机、发动机的燃油导管、液压导管及其他管线、散热器、焊接构件等,还可通过冷变形制造弹性元件。
Jinan composite plate factory believes that the reinforced composite plate is widely used as fuel pipe, hydraulic pipe and other pipe lines, radiators and welding components of aircraft and engines because of its high chromium content, oxidation resistance, stable structure at room temperature, non-magnetic, excellent plasticity and processing formability. It can also be used to manufacture elastic components through cold deformation.
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此文关键词: 济南复合板厂  

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