Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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LOCTITE® EA 9514 is a toughened, single-component heat-curing epoxy adhesive with high shear and peel strength. It offers excellent impact resistance and high reliability in extreme temperature environments. The adhesive has good gap-filling capability and sag resistance, making it suitable for a variety of substrates. It can be cured using induction heating or conventional heat curing methods.
| Property | Value |
|---|---|
| Specific Gravity (25°C) | 1.42 – 1.48 |
| Yield Point (Pa∙s) | 272 |
| Casson Viscosity (mPa·s) | 30,000 – 60,000 |
| Casson Base Viscosity (mPa·s) | 42,000 |
| Flash Point | See SDS |
| Cure Condition | Typical Time |
|---|---|
| 120°C | 60 minutes |
| 150°C | 30 minutes |
| 175°C | Varies |
| Property | Value |
|---|---|
| Tensile Strength (ISO 527-3) | 44 N/mm² (6,380 psi) |
| Tensile Modulus | 1,460 N/mm² (211,700 psi) |
| Compressive Strength (ISO 604) | 62 N/mm² (900 psi) |
| Elongation (ISO 527-3) | 5.8% |
| Glass Transition Temperature (Tg) | 133°C |
| Thermal Conductivity | 0.3 W/(m-K) |
| Substrate | Strength (N/mm²) | Strength (psi) |
|---|---|---|
| Mild Steel (grit blasted) | 45 | 6,530 |
| Stainless Steel | 32 | 4,640 |
| Zinc Dichromate | 28 | 4,060 |
| Aluminum (abraded) | 40 | 5,800 |
| Aluminum (etched) | 40 | 5,800 |
| Brass | 25 | 3,630 |
| Galvanized Steel | 20 | 2,900 |
| Condition | % Strength Retained (after 3000 hrs) |
|---|---|
| Motor Oil (22°C) | 91% |
| Unleaded Gasoline (22°C) | 85% |
| 50% Water-Glycol (87°C) | 30% |
| 4% Sodium Hydroxide (22°C) | 65% |
| 98% RH (40°C) | 45% |
| Water (60°C) | 44% |
| Water (90°C) | 60% |
| Acetone (22°C) | 76% |
| Acetic Acid (10%, 22°C) | 51% |
| Saltwater (7.5%, 22°C) | 73% |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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