摘要:
A novel electrode that can be used at high temperature in air, a fuel cell using the material, and a method of manufacture of the same are provided. The electrode material containing a component expressed by La1-sAsNi1-x-y-zCuxFeyBzO3-δ (wherein, A and B are at least one element independently selected from the group consisting of alkaline earth metals, transition metals excluding Fe, Ni and Cu, and rare earths excluding La, and x>0, y>0, x+y+z
摘要翻译:提供了可以在空气中高温使用的新型电极,使用该材料的燃料电池及其制造方法。 含有由La1-sAsNi1-xy-zCuxFeyBzO3-δ表示的成分的电极材料(其中,A和B是至少一种独立地选自碱土金属,除Fe,Ni和Cu之外的过渡金属的元素和稀有元素 除La之外,x> 0,y> 0,x + y + z <1,0
摘要:
A novel electrode that can be used at high temperature in air, a fuel cell using the material, and a method of manufacture of the same are provided. The electrode material containing a component expressed by La1-sAsNi1-x-y-zCuxFeyBzO3-δ (wherein, A and B are at least one element independently selected from the group consisting of alkaline earth metals, transition metals excluding Fe, Ni and Cu, and rare earths excluding La, and x>0, y>0, x+y+z
摘要翻译:提供了可以在空气中高温使用的新型电极,使用该材料的燃料电池及其制造方法。 含有由La1-sAsNi1-xy-zCuxFeyBzO3-δ表示的成分的电极材料(其中,A和B是至少一种独立地选自碱土金属,除Fe,Ni和Cu之外的过渡金属的元素和稀有元素 除La之外,x> 0,y> 0,x + y + z <1,0
摘要:
An aluminum oxide sintered body is provided, including europium and nitrogen, and plate-like crystals having peaks coinciding with EuAl12O19 in an X-ray diffraction profile are dispersed over a whole sintered body. Such an aluminum oxide sintered body can be obtained by forming a mixed powder containing an alumina powder, a europium compound powder and an aluminum nitride powder into a green body having a predetermined shape, and sintering the green body under a non-oxidizing atmosphere.
摘要翻译:提供了包括铕和氮的氧化铝烧结体,并且在X射线衍射图中具有与EuAl 12 O 19重合的峰的板状晶体分散在整个烧结体上。 这样的氧化铝烧结体可以通过将含有氧化铝粉末,铕化合物粉末和氮化铝粉末的混合粉末形成到具有预定形状的生坯中并在非氧化气氛下烧结生坯而获得。
摘要:
A method for producing an aluminum nitride sintered product according to the present invention includes the steps of (a) preparing a powder mixture that contains AlN, 2 to 10 parts by weight of Eu2O3 with respect to 100 parts by weight of AlN, Al2O3 such that a molar ratio of Al2O3 to Eu2O3 is 2 to 10, and TiO2 such that a molar ratio of TiO2 to Al2O3 is 0.05 to 1.2, but not Sm; (b) producing a compact from the powder mixture; and (c) firing the compact by subjecting the compact to hot-press firing in a vacuum or in an inert atmosphere.
摘要翻译:根据本发明的制造氮化铝烧结产品的方法包括以下步骤:(a)制备包含AlN的粉末混合物,相对于100重量份的AlN,Al 2 O 3为2至10重量份的Eu 2 O 3,使得 Al2O3与Eu2O3的摩尔比为2〜10,TiO 2与TiO 2的摩尔比为0.05〜1.2,而不是Sm; (b)从粉末混合物制备压块; 和(c)通过使压坯在真空或惰性气氛中热压烧结来烧结压块。
摘要:
A method for manufacturing an alumina sintered body of the present invention comprises: (a) forming a mixed powder containing at least Al2O3 and MgF2 or a mixed powder containing Al2O3, MgF2, and MgO into a compact having a predetermined shape; and (b) performing hot-press sintering of the compact in a vacuum atmosphere or a non-oxidizing atmosphere to form an alumina sintered body, in which when a amount of MgF2 to 100 parts by weight of Al2O3 is represented by X (parts by weight), and a hot-press sintering temperature is represented by Y (° C.), the hot-press sintering temperature is set to satisfy the following equations (1) to (4) 1,120≦Y≦1,300 (1) 0.15≦X≦1.89 (2) Y≦−78.7X+1,349 (3) Y≧−200X+1,212 (4).
摘要翻译:本发明的氧化铝烧结体的制造方法包括:(a)将至少包含Al 2 O 3和MgF 2的混合粉末或含有Al 2 O 3,MgF 2和MgO的混合粉末形成为具有预定形状的压块; 和(b)在真空气氛或非氧化性气氛中对压实体进行热压烧结,以形成氧化铝烧结体,其中当MgF2与100重量份的Al 2 O 3的量以X表示时 重量),热压烧结温度由Y(℃)表示,热压烧结温度设定为满足下述式(1)〜(4)1,120&nlE; Y&nlE; 1,300(1)0.15 &nlE; X&nlE; 1.89(2)Y&nlE; -78.7X + 1,349(3)Y≥-200X + 1,212(4)。
摘要:
An aluminum nitride-based ceramic sintered body is provided, which is manufactured by sintering an aluminum nitride powder comprising aluminum nitride as a main component, carbon in an amount of 0.1 wt % or more to 1.0 wt % or less, and containing oxygen in an amount that is not greater than 0.7 wt %, wherein carbon and oxygen are dissolved in grains of the aluminum nitride powder. The a-axis length of the lattice constant of the aluminum nitride is in a range of 3.1120 Å or more to 3.1200 Å or less, and the a c-axis length of the lattice constant is in a range of 4.9810 Å or more to 4.9900 Å or less. The volume resistivity of the aluminum nitride-based ceramic sintered body at 500° C. is 109 Ω·cm or more.
摘要:
The aluminum nitride sintered body includes at least europium, aluminum, and oxygen. It was found that a grain boundary phase having a peak having a X-ray diffraction profile substantially the same as that of an Sr3Al2O6 phase could be three-dimensionally continued in the aluminum nitride sintered body to realize a lower resistance without damaging various properties unique to aluminum nitride.
摘要翻译:氮化铝烧结体至少包括铕,铝和氧。 发现具有与Sr 3 Al 2 O 6相基本相同的X射线衍射分布的峰的晶界相可以在氮化铝烧结体中三维连续地实现,从而实现较低的电阻,而不损害以下特征: 氮化铝。
摘要:
The aluminum nitride sintered body includes at least europium (Eu), aluminum (Al), and oxygen (O). It was found that a grain boundary phase having a peak having a X-ray diffraction profile substantially the same as that of an Sr3Al2O6 phase could be three-dimensionally continued in the aluminum nitride sintered body to realize a lower resistance without damaging various properties unique to aluminum nitride.
摘要翻译:所述氮化铝烧结体至少包含铕(Eu),铝(Al)和氧(O)。 发现具有与Sr 3 Al 2 O 6 6的X射线衍射分布基本相同的峰的晶界相, SUB>相可以在氮化铝烧结体中三维连续,以实现较低的电阻而不损害氮化铝独特的各种特性。
摘要:
100 g of aluminum nitride (AlN) powder and 2.0 g of aluminum oxide (Al2O3) powder were placed in graphite crucible. Thereafter, the entire crucible was treated with heat by keeping it in a nitrogen atmosphere at a temperature of 2200° C. and a pressure of 1.5 kgf/cm2 for 2 hours. In this manner, aluminum nitride powder was prepared.
摘要翻译:将100g的氮化铝(AlN)粉末和2.0g氧化铝(Al 2 O 3 O 3)粉末放入石墨坩埚中。 此后,将整个坩埚在2200℃的温度和1.5kgf / cm 2的压力下保持在氮气氛中加热处理2小时。 以这种方式制备氮化铝粉末。
摘要:
An aluminum nitride-based ceramic sintered body is provided, which is manufactured by sintering an aluminum nitride powder comprising aluminum nitride as a main component, carbon in an amount of 0.1 wt % or more to 1.0 wt % or less, and containing oxygen in an amount that is not greater than 0.7 wt %, wherein carbon and oxygen are dissolved in grains of the aluminum nitride powder. The a-axis length of the lattice constant of the aluminum nitride is in a range of 3.1120 Å or more to 3.1200 Å or less, and the a c-axis length of the lattice constant is in a range of 4.9810 Å or more to 4.9900 Å or less. The volume resistivity of the aluminum nitride-based ceramic sintered body at 500° C. is 109 Ω·cm or more.