1J88 Permalloy

1J88 alloy has good overall performance in the temperature range of -253～700℃, and the yield strength below 650℃ is the first among deformed high temperature alloys, and has good fatigue resistance, corrosion resistance, and good processing performance, and good welding performance. Can manufacture a variety of complex-shaped parts, in the aerospace, nuclear energy, oil industry and extrusion dies, in the above temperature range has been very widely used.

Heat treatment system: in dry hydrogen or vacuum in 950 ~ 1150 ℃ insulation 2 ~ 3h (band thickness ≤ 0.20mm) or 1150 ~ 1200 ℃ insulation 4 ~ 5h (band thickness > 0.20mm), to 100 ~ 200 ℃ / h speed (or furnace cooling) cooling to 500 ~ 600 ℃ after the furnace cooling (or 200 ~ 300 ℃ / h speed cooling), cooling to 200 ℃ out of the furnace; density 8.80g/cm3, resistance ≥ 70μΩ-cm, Vickers hardness ≥ 180, magnetic properties are shown in Table 1. density 8.80g/cm3, resistivity ≥ 70μΩ-cm, Vickers hardness ≥ 180. 1J88 Application examples: high hardness, high resistance, high permeability soft magnetic alloy, with high initial permeability, high hardness, high resistivity, and magnetic insensitivity to stress, good wear resistance, used to make a variety of magnetic tape machine heads, chips, and recorders, high-frequency devices, such as iron cores