superplastic: meaning, definition, pronunciation and examples
C2Technical
Quick answer
What does “superplastic” mean?
A material that can undergo extremely large tensile deformation without breaking, especially at high temperatures.
Audio
Pronunciation
Definition
Meaning and Definition
A material that can undergo extremely large tensile deformation without breaking, especially at high temperatures.
Having the property of superplasticity; capable of extensive elongation under certain conditions, usually applied to metals, ceramics, or advanced alloys in engineering contexts.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or semantic differences. Spelling is consistent.
Connotations
Identical technical connotations in both varieties.
Frequency
Equally rare and specialized in both dialects, confined to engineering and materials science publications.
Grammar
How to Use “superplastic” in a Sentence
[material] is superplastic at [temperature/condition][process] utilizes the superplastic nature of [material]Vocabulary
Collocations
Examples
Examples of “superplastic” in a Sentence
verb
British English
- [No standard verb form. The related process is 'superplastically form'.]
American English
- [No standard verb form. The related process is 'superplastically form'.]
adverb
British English
- The metal deformed superplastically under the prescribed conditions.
- [Rarely used outside technical descriptions.]
American English
- The material behaved superplastically during the high-temperature test.
- [Rarely used outside technical descriptions.]
adjective
British English
- The titanium alloy is superplastic at 900°C, allowing for complex aerospace component forming.
- Researchers are studying superplastic ceramics for next-generation applications.
American English
- Superplastic aluminum is key to the new blow-forming manufacturing technique.
- The team characterized the superplastic behavior of the advanced composite.
Usage
Meaning in Context
Business
Rare; might appear in reports of advanced manufacturing or aerospace sectors discussing material advantages.
Academic
Common in materials science, metallurgy, and mechanical engineering research papers and textbooks.
Everyday
Virtually never used.
Technical
The primary domain. Describes a material's behaviour under specific thermo-mechanical processing.
Vocabulary
Synonyms of “superplastic”
Strong
Neutral
Weak
Vocabulary
Antonyms of “superplastic”
Watch out
Common Mistakes When Using “superplastic”
- Using it as a general adjective for 'very flexible' at room temperature (e.g., 'This rubber band is superplastic').
- Confusing it with 'thermoplastic'.
- Using it as a countable noun (e.g., 'a superplastic') instead of an uncountable property or as an adjective.
FAQ
Frequently Asked Questions
No. 'Superplastic' is a precise technical term referring to the ability of certain materials to undergo extreme tensile deformation (often >200% elongation) under specific conditions like high temperature and controlled strain rate. 'Very flexible' is a general, non-technical descriptor.
While some polymers can exhibit very high elongation, the term 'superplastic' is historically and most commonly applied to metals, alloys, and ceramics. The property in polymers is typically described with terms like 'high ductility' or 'super-toughness'.
No, it is relatively rare. It requires specific microstructural conditions (e.g., very fine, stable grain size) and occurs only within a limited range of temperatures and deformation rates. It is not a property of everyday materials.
Superplastic forming (SPF), a manufacturing process used mainly in aerospace and high-end automotive industries to create complex, lightweight, single-piece components from sheets of superplastic alloys, often titanium or aluminium.
A material that can undergo extremely large tensile deformation without breaking, especially at high temperatures.
Superplastic is usually technical in register.
Superplastic: in British English it is pronounced /ˌsuːpəˈplæstɪk/, and in American English it is pronounced /ˌsuːpərˈplæstɪk/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[None specific to this technical term]”
Learning
Memory Aids
Mnemonic
Think of 'SUPER' stretchy 'PLASTIC' – but it's usually metals, not plastic, that get super stretched without snapping when hot.
Conceptual Metaphor
MATERIAL IS CLAY: The material becomes like soft, infinitely stretchable clay under the right conditions.
Practice
Quiz
In which field is the term 'superplastic' primarily used?