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- W2180590557 abstract "Graphite yarn or Nicalon Sic yarn reinforced 7740 borosilicate composites were produced by hot–pressing the lay–up infiltrated unitapes at the temperature of 1200°C under the pressure of 6.7 MPa for 1 hr. in the atmosphere of nitrogen. The flexure strength (σ2) and the impact toughness (ακ) of C/7740 composite reached respectively to 792 MPa and 31 KJm−2. The σ2 and fracture toughness (Klc) for SiC/7740 composite were 780 MPa and 16.3 MPa m−1/2 respectively. It was discovered that σ2, κ and Klc all had a maximum value with the volume fraction of fibre (Vf) increasing. The best value of Vf was about 40–45%. It was proved that σ2 was fit well in to the Weibull Distribution as well as the Normal Distribution The interface bonding strength (τ) of SiC/7740 composite was measured successfully by Marshall Indentation Method. The effect of heat–exposing time (t) of fibre in air at 600°C on T and the relationship between τ and Klc were also dealed with. It was also discovered that T increased, but Klc decreased with τ prolonging in the range of present experiment. The mechanism of hot–pressing densification and other problems were also touched with." @default.
- W2180590557 created "2016-06-24" @default.
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- W2180590557 date "2014-08-04" @default.
- W2180590557 modified "2023-09-27" @default.
- W2180590557 title "A study on fibre reinforced 7740 glass composite and its interface bonding strength" @default.
- W2180590557 hasPublicationYear "2014" @default.
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