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Article
TEM study of the interface between HIPed silicon nitride and encapsulation borosilicate glass
A transmission electron microscope study has been made of a silicon nitride component with 6 w/o yttrium oxide as a sintering aid hot isostatically pressed (HIP) with an encapsulation glass of borosilicate. Th...
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Article
Solidification behaviour and phase constituents of cast Mg–Zn–misch metal alloys
The solidification path and phase constituents of alloys in the magnesium-rich corner of the Mg–Zn–misch metal (MM) pseudo-ternary system have been investigated by a combination of differential thermal analysi...
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Article
Crystal symmetry of the pseudo-ternary T-phases in Mg-Zn-rare earth alloys
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Article
Age hardening and precipitation in a cast magnesium-rare-earth alloy
The precipitation sequence responsible for the age-hardening behaviour of a cast Mg-1.3 wt% rare-earth alloy has been investigated by analytical electron microscopy. Very fine intermediate precipitates formed ...
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Article
The intergranular microstructure of cast Mg-Zn and Mg-Zn-rare earth alloys
The solidification path and microstructure of cast Mg-9Zn and Mg-8Zn-1.5MM (misch metal) alloys have been investigated by a combination of thermal analysis and analytical electron microscopy. The addition of 1...
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Article
Precipitation Hardening of Mg-Zn and Mg-Zn-RE alloys
The age-hardening response of two cast Mg-Zn-RE alloys has been investigated and compared with that of a binary Mg-Zn alloy. The microstructures of the aged specimens were examined by analytical electron micro...
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Article
AEM investigation of ceramic/lncoloy 909 diffusional reactions after joining by HIP
Diffusion bonding by hot isostatic pressing (HIP) was performed between Incoloy 909 and five different ceramics. Two of the ceramics were composites made from powder mixtures of Si3N4 and either 60 vol% TiN or 50...