superplastic

简明释义

[ˌsuːpərˈplæstɪk][ˌsuːpərˈplæstɪk]

adj. 超塑性的;超塑性材料制的

n. 超塑性;超塑性材料

英英释义

A term used to describe materials that can undergo significant plastic deformation without fracturing, often at elevated temperatures.

用于描述在不破裂的情况下可以经历显著塑性变形的材料,通常在高温下。

单词用法

同义词

superplasticity

超塑性

Materials with superplasticity can be stretched significantly without breaking.

具有超塑性的材料可以在不破裂的情况下显著拉伸。

high ductility

高延展性

High ductility is essential for processes like deep drawing in metal forming.

高延展性对于金属成形中的深拉伸等工艺至关重要。

formability

成形性

The formability of a material determines its suitability for various manufacturing processes.

材料的成形性决定了其适用于各种制造工艺的能力。

反义词

brittle

脆性

The brittle material broke easily under stress.

这种脆性材料在压力下容易断裂。

rigid

刚性

Rigid structures cannot adapt to changes in their environment.

刚性结构无法适应环境的变化。

例句

1.Grain group movement is easy found in superplastic deformation of the materials with complex microstructure.

非典型等轴细晶材料超塑变形中复杂多变的显微组织易于产生晶粒群的运动形式。

2.The thermomechanical processing and superplastic deformation behavior of 01420 alloy have been investigated.

对01420合金的形变热处理工艺和超塑性进行了研究。

3.Meanwhile the characteristics of superplastic ceramics and superplastic metals are analyzed and compared.

同时,分析和对比了陶瓷超塑性与金属超塑性的特点。

4.The complicated shaped parts are able to be singly formed by a superplastic forming process.

用超塑性成形工艺能一次成形出复杂形状的零件。

5.The technique of superplastic extrusion of lock core with cross-shaped groove are researched in this paper.

对十字槽型锁芯的超塑性挤压技术进行了研究。

6.This part by superplastic forming process if simpler and saving material over 60% than by machining process.

与原机加工工艺相比,超塑性成形该零件的工艺简单,节省材料60%以上。

7.The constrained superplastic bulging process is investigated by a large rigid-plastic finite element method.

采用大变形刚塑性有限元法模拟超塑性材料轴对称锥形模约束胀形过程。

8.In this paper, a study of the cavitation of manganese-brass during superplastic deformation is reported.

对超塑变形后锰黄铜的空洞特征进行了系统研究。

9.Void emergence was an inevitable result of superplastic deformation. It affected the process of grain rearrangement directly.

结果表明,空洞的形成直接影响着晶粒重排过程。

10.The superplastic 超塑性的 behavior of certain metals can be exploited in manufacturing processes.

某些金属的超塑性行为可以在制造过程中加以利用。

11.The new alloy developed by the engineers is remarkably superplastic 超塑性的, allowing it to be shaped into complex forms without breaking.

工程师们开发的新合金具有显著的超塑性,可以在不破裂的情况下被塑造成复杂的形状。

12.Researchers are exploring the use of superplastic 超塑性的 polymers for flexible electronics.

研究人员正在探索使用超塑性聚合物用于柔性电子产品。

13.In the automotive industry, superplastic 超塑性的 materials are used to create lightweight components that improve fuel efficiency.

在汽车工业中,使用超塑性材料来制造轻量化组件,从而提高燃油效率。

14.By applying heat, the material becomes superplastic 超塑性的 and can be easily molded into various shapes.

通过加热,材料变得超塑性,可以轻松地模制成各种形状。

作文

In the world of materials science, the term superplastic refers to a remarkable property exhibited by certain materials, particularly metals and polymers. These materials can undergo significant plastic deformation without rupture when subjected to specific conditions such as high temperatures and low strain rates. The phenomenon of superplastic behavior allows for the production of intricate shapes and designs that would be impossible with conventional processing techniques. This unique characteristic has opened new avenues in manufacturing processes, especially in industries such as aerospace, automotive, and biomedical engineering.One of the most fascinating aspects of superplastic materials is their ability to stretch and elongate significantly, often exceeding 1000% of their original length. This extreme ductility is primarily due to the fine-grained microstructure of these materials, which allows for the movement of dislocations and grain boundaries under stress. For instance, aluminum alloys and titanium alloys are commonly used in applications requiring superplastic forming, as they maintain their strength while being deformed into complex shapes.The process of superplastic forming typically involves heating the material to a temperature where it becomes soft enough to deform easily but not so hot that it loses its structural integrity. Once at the appropriate temperature, the material is subjected to controlled pressure or mechanical force, enabling it to flow into molds or dies. This technique not only enhances the dimensional accuracy of the final product but also reduces waste, making it an environmentally friendly option.In the aerospace industry, the use of superplastic materials has revolutionized the design and fabrication of components. Lightweight yet strong structures are critical for improving fuel efficiency and performance in aircraft. By utilizing superplastic forming techniques, manufacturers can create complex geometries that contribute to the overall aerodynamics of the aircraft, ultimately leading to significant cost savings and enhanced operational capabilities.Moreover, the biomedical field has also benefited from superplastic materials. Implants and prosthetics often require intricate designs that must fit precisely within the human body. The ability to create customized shapes through superplastic forming ensures that these medical devices can be tailored to individual patient needs, improving comfort and functionality.Despite the advantages, challenges remain in the widespread adoption of superplastic materials. The need for precise control over processing conditions and the potential for variability in material properties can complicate manufacturing processes. Researchers continue to explore new alloys and composites that exhibit superplastic behavior at lower temperatures or with greater stability, aiming to expand the range of applications and improve the reliability of these materials.In conclusion, the concept of superplastic materials represents a significant advancement in materials science, offering unique properties that enable innovative manufacturing techniques. As industries continue to evolve and demand more efficient and effective solutions, the role of superplastic materials will undoubtedly grow, paving the way for future developments in technology and engineering. Understanding and harnessing the potential of superplastic behavior is essential for engineers and designers striving to push the boundaries of what is possible in material applications.

在材料科学的世界中,术语superplastic指的是某些材料(特别是金属和聚合物)所表现出的卓越特性。这些材料在特定条件下(如高温和低应变速率)受到施加时,可以经历显著的塑性变形而不破裂。superplastic行为的现象使得生产复杂形状和设计成为可能,而这些在传统加工技术中是不可能实现的。这一独特特性为制造过程开辟了新的途径,尤其是在航空航天、汽车和生物医学工程等行业。superplastic材料最迷人的一个方面是它们能够显著拉伸和延长,通常超过其原始长度的1000%。这种极端的延展性主要归因于这些材料的细晶微观结构,这使得在应力下位错和晶粒边界的移动成为可能。例如,铝合金和钛合金通常用于需要superplastic成形的应用,因为它们在被变形为复杂形状时保持强度。superplastic成形的过程通常涉及将材料加热到一个温度,使其足够软以便容易变形,但又不会过热以至于失去结构完整性。一旦达到适当的温度,材料会受到控制的压力或机械力,从而使其流入模具或模具中。这种技术不仅提高了最终产品的尺寸精度,还减少了浪费,使其成为一种环保的选择。在航空航天工业中,使用superplastic材料彻底改变了组件的设计和制造。轻量且强大的结构对于提高飞机的燃油效率和性能至关重要。通过利用superplastic成形技术,制造商可以创造出有助于整体气动性能的复杂几何形状,从而带来显著的成本节约和增强的操作能力。此外,生物医学领域也从superplastic材料中受益。植入物和假肢通常需要复杂的设计,必须精确地适应人体。通过superplastic成形创建定制形状的能力确保这些医疗设备可以根据个人患者的需求进行调整,提高舒适性和功能性。尽管有诸多优点,但在广泛采用superplastic材料方面仍然存在挑战。对加工条件的精确控制的需求以及材料特性可能出现的变异性可能会使制造过程复杂化。研究人员继续探索在较低温度下或具有更大稳定性的新合金和复合材料,这些材料表现出superplastic行为,旨在扩大应用范围并提高这些材料的可靠性。总之,superplastic材料的概念代表了材料科学的一项重大进展,提供了独特的属性,使创新的制造技术成为可能。随着各行业的不断发展,对更高效和有效解决方案的需求不断增加,superplastic材料的作用无疑会增长,为未来技术和工程的发展铺平道路。理解和利用superplastic行为的潜力对于工程师和设计师来说至关重要,他们努力推动材料应用的可能性边界。