Abstract
Measurements of the internal friction Q−1 at a maximum shear strain amplitude of 2∼12×10−5 and a tensile stress of 1.18 MPa and of the magnetic and mechanical properties have been carried out for Fe–W alloys containing 0∼20%W . The highest Q−1 value of 34×10−3 is obtained with an Fe-14%W alloy rapid-cooled after heating at 1200°C for 1 h. The Q−1 value increases with measuring temperature T, showing a minimum near T⁄Tc=0.7 (Tc: magnetic transformation temperature). Moreover, the Q−1 value shows a two-step decremental change with increasing magnetic field. The variations in Q−1 and coercive force Hc with composition and/or heat-treatment are opposite to each other, i.e. the alloys having larger Q−1 exhibit smaller Hc. The mechanical strength of the binary alloys increases considerably with W content.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
