GH5188 Powder
GH5188 is a W-strengthened diamond-based high-temperature alloy. GH5188 has good mechanical properties and excellent high temperature oxidation resistance. It is suitable for aviation parts that require tensile strength below 980ยฐC and oxidation resistance below 1100ยฐC.
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Table of Contents
GH5188 is a W-strengthened diamond-based high-temperature alloy. GH5188 has good mechanical properties and excellent high temperature oxidation resistance. It is suitable for aviation parts that require tensile strength below 980ยฐC and oxidation resistance below 1100ยฐC.
Physical Properties
|
Size range
|
Size distribution |
Hall flow rate
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Bulk density
|
Tap density
|
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| D10(ฮผm) | D50(ฮผm) | D90(ฮผm) | ||||
| 15-53ฮผm | 17-22 | 32-38 | 52-58 | โค18s/50g | โฅ4.80g/cmยณ | โฅ5.40g/cmยณ |
Heat Treatment Recommendations
Solid solution treatment:1180ยฑ20ยฐC/1h/AC
Mechanical Behavior
| Test temperature | Tensile strength (ฯb/Mpa) | Yield strength (ฯp0.2/Mpa) |
Elongation (ฮด5/%)
|
| 25โ | 900 | 400 | โฅ45 |
| 650โ | 650 | 280 | โฅ50 |
| 900โ | 300 | 240 | โฅ50 |
| 950โ | 200 | 170 | โฅ50 |
| 1000โ | 160 | 130 | โฅ50 |
Chemical Composition Range (Wt,-%)
| Element | C | Cr | Ni | Co | W | Fe |
| wt๏ผ | 0.05-0.15 | 20.00-24.00 | 20.00-24.00 | Bal | 13.00-16.00 | โค3.00 |
| Element | B | La | Mn | Si | P | S |
| wt๏ผ | โค0.015 | 0.03-0.12 | โค1.25 | 0.20-0.50 | โค0.02 | โค0.015 |
| Element | Cu | O | N | – | – | – |
| wt๏ผ | โค0.07 | โค0.025 | โค0.015 | – | โ | โ |
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