Das Zustandsdiagramm Magnesium‐Zirkonium

Sauerwald, F.

doi:10.1002/zaac.19472550115

Cited by 20 publications

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“…Zirconium is used as a grain refiner for further improvement of the mechanical properties [20]. By contrast to aluminum or manganese, Zn can be used together with Zr without forming stable intermetallic compounds [21]. The presence of Al in combination with RE elements gives rise to very stable RE aluminides, thus removing the RE metal from the magnesium solid solution [8].…”

Section: Methodsmentioning

confidence: 99%

Sheet texture modification in magnesium-based alloys by selective rare earth alloying

Al‐Samman

2011

Materials Science and Engineering: A

386

140

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Section: Methodsmentioning

confidence: 99%

Sheet texture modification in magnesium-based alloys by selective rare earth alloying

Al‐Samman

2011

Materials Science and Engineering: A

386

140

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“…Directional solidification was effected starting from the top of the crucible. Stoichiometric Mg~Sn undergoes a 2% volume expansion on solidification, according to the data of Sauerwald (17). The associated strain was presumably taken up either by expansion into the small volume of dead space above the crystal or by compression of the graphite liner and crucible.…”

Section: Growth O~ Single Crystalsmentioning

confidence: 96%

Electrical Properties of Mg[sub 2]Sn Crystals Grown from Nonstoichiometric Melts

Lichter

1962

J. Electrochem. Soc.

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Resistivity and Hall measurements were carried out on Mg2normalSn crystals in the temperature range 300°–60°K. Single crystals were grown by a modified Bridgman technique from stoichiometric melts and from melts containing 1, 2, 10, and 18 at. % excess Sn and 3 at. % excess Mg. In the mixed conduction and extrinsic ranges, it was found possible to describe the calculated temperature dependence of the conduction mobility on the basis of a combination of lattice vibration (acoustic mode) and ionized impurity scattering. A stoichiometry effect is observed. The Mg2normalSn crystals appear to dissolve the excess constituent producing n‐type crystals (excess Sn) and p‐type crystals (excess Mg). The observed effect corresponds to a solubility of 10−5‐10−6 action excess constituent. This result is briefly discussed in terms of bonding in Mg2normalSn .

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“…10,11) For the hydrogen solubility of the AZ91H alloy under reduced pressure, we presumed on the basis of the hydrogen solubility mentioned in the references that there was pseudo solubility in Fig. 4(a).…”

Section: Reduced Pressure Casting Without Lost Foam Figures 4(b)-(c) mentioning

confidence: 99%

Gas Pore Formation in Lost Foam Casting of AZ91H Mg Alloy in Comparison with A356 Al Alloy

2005

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Castings performed under reduced pressure and atmosphere were used to investigate the formation of pores in lost foam casting (LFC) of the AZ91H Mg alloy, and the results are compared with the results of a previous work on the A 356 Al alloy.In LFC, although the pouring temperature of the AZ91H alloy melt was higher than that of the A356 alloy, the amount of porosity in the AZ91H alloy after solidification was much lower than that of the A356 alloy. The lower porosity was caused by the extra hydrogen solubility. The pore formation mechanism of the AZ91H alloy in LFC was similar to that of the A356 alloy but the critical temperature for generating a different mechanism of pore formation is higher in the A356 alloy by as much as about 323 K. The mold evacuation promotes lower porosity and shrinkage defects due to the easy removal of polystyrene products. However, the exceeded vacuum degree severely entraps polymer pyrolysis products, thereby leaving large pores after solidification.

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Das Zustandsdiagramm Magnesium‐Zirkonium

Cited by 20 publications

References 0 publications

Sheet texture modification in magnesium-based alloys by selective rare earth alloying

Sheet texture modification in magnesium-based alloys by selective rare earth alloying

Electrical Properties of Mg[sub 2]Sn Crystals Grown from Nonstoichiometric Melts

Gas Pore Formation in Lost Foam Casting of AZ91H Mg Alloy in Comparison with A356 Al Alloy

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