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Dexter Magnetic Technologies
Sm-Co Properties Table and Curves

Sm-Co Properties Table and Curves

Product catalog summary

Overview: The document from Dexter Magnetic Technologies Inc. provides comprehensive details on Sm-Co (Samarium-Cobalt) magnets, focusing on two types: 2:17 and 1:5. It covers magnetic and physical properties, as well as performance under various conditions.

Magnetic Properties: Various grades of Sm-Co magnets are detailed, including their maximum energy product (BHmax), residual induction (Br), intrinsic coercivity (Hci), coercivity (Hc), maximum operating temperature (Tmo), and Curie temperature (Tc). Temperature coefficients for induction and coercivity from 20-150°C are also included.

Type 2:17 Grades: Grades such as S3010, S2610, and S3212 are included, with BHmax ranging from 22 to 32 MGOe, Br from 9.7 to 11.6 kG, and Hci from 10 to 30 kOe. The maximum operating temperature is generally 300°C, with a Curie temperature of 825°C.

Type 1:5 Grades: Grades such as S2415, S2215, and S2418 are included, with BHmax ranging from 18 to 24 MGOe, Br from 8.6 to 10.0 kG, and Hci from 15 to 30 kOe. The maximum operating temperature is 250°C, with a Curie temperature of 750°C.

Physical Properties: For Type 2:17, properties include a Curie temperature of 800-825°C, thermal expansion coefficients, electrical resistivity, density, Vicker’s hardness, Young’s modulus, bending strength, and compressive strength. Type 1:5 has slightly different values, with a Curie temperature of 720-750°C and other adjusted physical properties.

Graphs and Charts: The document includes graphs showing the relationship between magnetic induction (B) and magnetic field strength (H) at various temperatures (20°C, 100°C, 200°C, 300°C) for different grades, illustrating performance and stability under different thermal conditions.

Contact Information: Dexter Magnetic Technologies Inc. can be contacted via phone at +1-847-956-1140, email at [email protected], or through their website at www.dextermag.com.

Catalog excerpts

Sm-Co Coefficient Induction Coefficient Coercivity Curie Temp Residual Induction Minimum Intrinsic Coercivity Maximum Energy Product Maximum Operating Temp Email: [email protected] Copyright 2010 © Dexter Magnetic Technologies Inc. All Rights Reserved. For Reference Only. V101

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Sm-Co Typical Physical Properties – Type 2:17 Curie Temperature Coefficient of Thermal Expansion - Perpendicular Coefficient of Thermal Expansion - Parallel Electrical Resistivity Density Vicker’s Hardness Young’s Modulus Bending Strength Compressive Strength Typical Physical Properties – Type 1:5 Curie Temperature Coefficient of Thermal Expansion - Perpendicular Coefficient of Thermal Expansion - Parallel Electrical Resistivity Density Vicker’s Hardness Young’s Modulus Bending Strength Compressive Strength Email: [email protected] Copyright 2010 © Dexter Magnetic Technologies Inc. All Rights...

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