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    Improving the Properties of Permanent Magnets: A Study of Patents, Patent Applications, and Other Literature 
                 
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                      | ÀúÀÚ | 
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                      G.H.M. Koper, Marten Terpstra   
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                      | ÃâÆÇ»ç | 
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                      Elsevier Applied Science | 
                     
                    
                      | ÃâÆÇ³âµµ | 
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                      1991.06.17 | 
                     
                    
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                      1851666109 | 
                      
                                       
                    
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              Table of Contents 
Methods to enchance the magnetic properties of magnets and 
magnetic materials. Improvement of magnetic characteristics in 
general. Improvement of coercivity, remanent flux density and energy 
product. Improvement of coercivity and energy product. Improvement of 
coercivity, saturation magnetization and squareness of hysteresis 
loop. Improvement of coercivity. Improvement of remanent flux density 
and energy product. Improvement of remanent flux density. Improvement 
of energy product and square ratio. Improvement of magnetostrictive 
response. Methods to improve the physical and chemical 
characteristics of magnets and magnetic materials. Improvement of 
corrosion resistance and thermal stability. Improvement of corrosion 
resistance. Improvement of temperature characteristics. Methods to 
improve other properties and characteristics of magnets and magnetic 
materials. Improvement of workability. Improvement of sintering 
characteristics. Improvement of dimensions. Improvement of mechanical 
properties. Methods to lower the production costs of magnets and 
magnetic materials. By using commercial manufacturing processes. By 
emiminating specific costly production steps. By substituting 
inexpensive materials for expensive materials. By other measures. 
Methods to prevent risks during the production of magents and 
magnetic materials. To prevent the formation of poisonous volatile 
boron compounds. To prevent the risk of explosion. References. 
Abbreviations used. List of patentees. |  
           
             
  
		
        
    
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