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In materials science, superplasticity is a state in which solid crystalline material is deformed well beyond its usual breaking point, usually over about 400% during tensile deformation. Such a state is usually achieved at high homologous temperature. Examples of superplastic materials are some fine-grained metals and ceramics. Other non-crystalline…
Science, Ceramics & Forming techniques
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grain forming superplastic temperature strain deformation size alloy pressure materials high rate alloys also material used process thickness elongation fine
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Superplasticity | is a | state in which solid crystalline material is deformed well beyond its usual breaking point | 0.90 | text |
| diffusion or dislocation | instance of | the GBS in polycrystal structured materials must be accompanied by other accommodation processes | 0.80 | text |
| size | instance of | The method chosen depends upon design and performance criteria | 0.80 | text |
| shape | instance of | The method chosen depends upon design and performance criteria | 0.80 | text |
| and alloy characteristics.Cavity formingA graphite-coated blank is put into a heated hydraulic press | instance of | The method chosen depends upon design and performance criteria | 0.80 | text |
| SiO2 | instance of | aluminium alloy reinforced by particles or whiskers | 0.80 | text |
| Si3N4 | instance of | aluminium alloy reinforced by particles or whiskers | 0.80 | text |
| and SiC can have tensile elongation more than 700 | instance of | aluminium alloy reinforced by particles or whiskers | 0.80 | text |
| 6061 series | instance of | A few aluminium alloy composites | 0.80 | text |
| 2024 series have shown high strain rate superplasticity | instance of | A few aluminium alloy composites | 0.80 | text |
| which happens in a much higher strain rate regime than other superplastic materials | instance of | A few aluminium alloy composites | 0.80 | text |
| Ti | instance of | Titanium alloys | 0.80 | text |
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