density increases, the magnetic properties of maximum induction and permeability are increased significantly. The addition of certain alloying elements such as P and Si, improve the nearly all magnetic properties. In particular, these alloying elements tend to increase resistivity while decreasing (improving) coercive force. The presence of the interstitial elements, carbon and nitrogen, have a very potent detrimental effect on magnetic performance.

Like all PM materials, the magnetic properties of these materials can be easily modified to meet specific application requirements. The chemistry, density and processing of the component can provide a wide range of magnetic and physical properties. Magnetic Properties for Insulated (DC) Materials Measured at a Maximum Drive Field of 40 Oe Following Compaction at 50 tsi (690 MPa)

The infrastructure and activities of our modern technologically-based society can be adversely affected by rapid magnetic-field variations generated by electric currents in the near-Earth space environment, particularly in the ionosphere and magnetosphere. This is especially true during so-called ‘magnetic storms’.

Sintering is a modern technique for manufacturing precision parts in large series, without any material loss and using production means which make it highly reliable and economic. Almost all classical operations of metallurgical finishing can be applied to sintered parts: Secondary machining operations, heat treatments, surface treatments and coatings, etc.

The Earth's magnetic field does help to protect humanity from the effects of the solar wind, and the gusts in the wind that result when a solar flare triggers a Coronal Mass Ejection (CME). Even though the Earth's magnetic field is weak in strength, it fills a vast volume of space, and the charged particles in the solar wind are deflected by the field. However, the magnetic field does not completely protect us from the effects of the sun.

Among the many thousands who have had tissue implant injections, less than 1% of patients have reported adverse reactions. The precautions we take, including eliciting a patient history and testing for allergy, reduce the likelihood of side effects.