bell casting
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Hard and resistant to corrosion, bronze is traditionally used in bell casting A B and is the material used widely most for metal sculpture.
C D 答案:C 分析: most可以修饰副词,但是应该放在副词的前面,C错。
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Department bell in the dark, casting a beautiful patterns, the Ministry of moving the bell or a decoration called for Fragrance, Each had 36 minutes of the Ministry of moving the Lombau processes, known as silt or gold.
在钟的鼓部,铸有精美的图饰,钲部的纹饰称为钟带或为篆间,每枚钟的钲部都有36个突起的隆包,谓之钟乳或枚。
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Kimber, the head moulder responsible for casting the bell, shows George Mears with his wife and daughter inspecting the casting prior to despatch.
这张照片,画的威廉T金伯,头部腐朽负责铸钟,显示米尔斯乔治与他的妻子和女儿检查铸造事先派。
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The results show that the CNTs are dispersed effectively by bell jar immersing precast block casting. The maximal tensile strength and the elongation of the AZ31/CNTs composites are enhanced by 41.3% and 119.4%, respectively, and the elastic modulus and micro-hardness are also raised by 67.8% and 66.9%, respectively, when compared with those of the as-cast AZ31 Mg alloys. The CNTs can greatly refine the grains of the composites, playing a good role in reinforcing the matrixes of AZ31 Mg alloy. The fracture sections of the composites mainly consist of dimples and prisms, which demonstrates quasicleavage fracture modes.
结果表明:钟罩压块法可以有效地将碳纳米管分散到镁合金熔体中;CNTs对AZ31镁合金的力学性能有较强的增强效果,与本研究中的铸造AZ31合金相比,AZ31/CNTs复合材料的最大抗拉强度和伸长率分别提高41.3%和119.4%,弹性模量和显微硬度分别提高67.8%和66.9%;CNTs对AZ31镁合金基体晶粒的细化作用显著,与镁基体界面结合较好;复合材料试样断口形貌由韧窝和撕裂棱组成,呈现准解理断裂特征。
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The results show that the CNTs are dispersed effectively by bell jar immersing precast block casting. The maximal tensile strength and the elongation of the AZ31/CNTs composites are enhanced by 41.3% and 119.4%, respectively, and the elastic modulus and micro-hardness are also raised by 67.8% and 66.9%, respectively, when compared with those of the as-cast AZ31 Mg alloys. The CNTs can greatly refine the grains of the composites, playing a good role in reinforcing the matrixes of AZ31 Mg alloy. The fracture sections of the composites mainly consist of dimples and prisms, which demonstrates quasi- cleavage fracture modes.
结果表明:钟罩压块法可以有效地将碳纳米管分散到镁合金熔体中;CNTs对AZ31镁合金的力学性能有较强的增强效果,与本研究中的铸造AZ31合金相比,AZ31/CNTs复合材料的最大抗拉强度和伸长率分别提高41.3%和119.4%,弹性模量和显微硬度分别提高67.8%和66.9%;CNTs对AZ31镁合金基体晶粒的细化作用显著,与镁基体界面结合较好;复合材料试样断口形貌由韧窝和撕裂棱组成,呈现准解理断裂特征。