2013
DOI: 10.1007/s12540-013-3009-7
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Effect of reacted compounds in Al2O3+Ti investment mold on alpha-case formation for Ti casting

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Cited by 9 publications
(7 citation statements)
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“…This was followed by a coating of primary Al 2 O 3 , and Ti powder-added Al 2 O 3 slurry to achieve the alpha-case controlled TMCs casting and chamotte backup was done. 15,16 The completely dried wax was removed from the shells using an autoclave (423 K, 0.5 MPa) after coating the shells. The investment mould was cured at 1223 K for 2 h in the furnace, to strengthen the mould, eliminate the remaining wax and dehydrate the moulds.…”
Section: Methodsmentioning
confidence: 99%
“…This was followed by a coating of primary Al 2 O 3 , and Ti powder-added Al 2 O 3 slurry to achieve the alpha-case controlled TMCs casting and chamotte backup was done. 15,16 The completely dried wax was removed from the shells using an autoclave (423 K, 0.5 MPa) after coating the shells. The investment mould was cured at 1223 K for 2 h in the furnace, to strengthen the mould, eliminate the remaining wax and dehydrate the moulds.…”
Section: Methodsmentioning
confidence: 99%
“…Колектив дослідників вивчив процеси взаємодії розплаву титану з корундовими формами, в які додавали порошок Ті (45 мкм) [37][38][39][40]. В складі лицьового шару форм з Al 2 O 3 +10%Ті та Al 2 O 3 +50%Ті, які прожарювали при 950 0 С протягом 2-х годин, виявлено фази TiО 2 та Ti 3 Al, які утворювалися при взаємодії порошку титану з Al 2 O 3 та киснем повітря.…”
Section: проблеми технології формиunclassified
“…Although α‐case decreased after Ti casting, several pores formed in the composites, which considerably reduced the thermal shock resistance and mechanical strength. Lee and Kim prepared Ti–Al 2 O 3 , TiO 2 –Al 2 O 3 , Ti–ZrSiO 4 , and Ti–ZrO 2 composites by introducing Ti at high temperatures 21‐23 . A TiO diffusion barrier layer was produced in Ti–Al 2 O 3 and TiO 2 –Al 2 O 3 composites, which hindered the α‐case formation at the surface of Ti alloys.…”
Section: Introductionmentioning
confidence: 99%