第 1 节。一般····················································································································· 3 第 2-1 节。轧制钢材·········································································································· 7 第 2-2 节。轧制钢材半成品··········································································· 14 第 2-3 节。用于高热输入焊接的轧制钢材 ····························· 16 第 3 节。钢管 ································································································ 18 第 4 节。铸件和钢锻件 ·· ...第 5 节。特殊要求的曲轴 ································································ 22 第 6 节。铝合金 ········································································································································· 25 第 7-1 节。铜合金铸件······························································································· 28 第 7-2 节。铜和铜合金管 ··············································································· 29 第 8 节。特殊铸铁阀门 ·· ... ·· ...链条配件· ... ·· ... ·························································································· 50
溶剂 2 英寸,100-GPM 铝制仪表,带计数器 M-7-A-16 乙醇 2 英寸,100-GPM 铝制仪表,带计数器 M-7-A-16 液体甜味剂 2 英寸,100-GPM 铝制仪表,带计数器 M-7-A-3 水 2 英寸,80-GPM 黄铜仪表,带计数器 M-7-A-20 酸 2 英寸,80-GPM 316 不锈钢仪表,带计数器 M-7-A-8 腐蚀剂 2 英寸,100-GPM 铸铁仪表,带计数器 M-7-A-7
碳纤维增强环氧树脂,408 CARLOS,395 铸铁,567 球墨铸铁,215 CFRP,408 分类规则,535 冷膨胀,171 复杂应力场,335 复合方法,521 压缩,278 压缩欠载,154 等幅,24 约束,232,278 角缺口,81 相关因子,567 试样,171 裂纹闭合,154,215,232,278,299,320,482 塑性诱导,453 裂纹前沿不相容性,299 裂纹萌生,186,492 裂纹扩展速率,482
高性能碳化钨切削刀具由坚韧的钴基体制成,将坚硬的碳化钨颗粒粘合在一起;性能较低的刀具可以使用青铜等其他金属作为基体。 一些坦克装甲可能由金属基复合材料制成,可能是用氮化硼增强的钢,氮化硼是一种很好的钢增强材料,因为它非常坚硬,不会溶解在熔融的钢中。 一些汽车盘式制动器使用 MMC。早期的 Lotus Elise 车型使用铝 MMC 转子,但它们的热性能不太理想,Lotus 后来又改用铸铁。现代高性能跑车(例如保时捷制造的跑车)使用碳纤维转子,碳化硅基体具有高比热和导热性。3M 开发了一种预制铝基插入件,用于加强铸铝盘式制动钳,[7] 与铸铁相比,重量减轻了一半,同时保持了相似的刚度。3M 还将氧化铝预制件用于 AMC 推杆。[8] 福特提供金属基复合材料 (MMC) 传动轴升级。MMC 传动轴由碳化硼强化的铝基制成,可通过减小惯性来提高传动轴的临界转速。MMC 传动轴已成为赛车手的常见改装,可使最高速度远远超过标准铝制传动轴的安全运行速度。
第 1 节。一般····················································································································· 3 第 2-1 节。轧制钢 ············································································································ 7 第 2-2 节。轧制钢半成品 ························································································ 15 第 2-3 节。用于高热输入焊接的轧制钢 ··········································· 17 第 2-4 节。YP47钢板········································································································· 19 第2-5节。具有改进的疲劳性能的船体结构钢 ····························· 21 第 3 节。钢管 ··································································································· 24 第 4 节。铸件和钢锻件·· ... ·· ...铜和铜合金管 ·············································································· 35 第 8 节。特殊铸铁阀门 ·· ... ·· ...船用链条附件····························································································· 44 第 10-3 节。海上链条和链条附件·································································· 46 第 11 节。钢丝绳· ... ·· ... ·························································································· 60
溶剂 2 英寸,100 加仑/分钟铝制仪表,带计数器 M-7-A-16 乙醇 2 英寸,100 加仑/分钟铝制仪表,带计数器 M-7-A-16 液体甜味剂 2 英寸,100 加仑/分钟铝制仪表,带计数器 M-7-A-3 水 2 英寸,80 加仑/分钟黄铜仪表,带计数器 M-7-A-20 酸 2 英寸,80 加仑/分钟 316 不锈钢仪表,带计数器 M-7-A-8 腐蚀剂 2 英寸,100 加仑/分钟铸铁仪表,带计数器 M-7-A-7
溶剂 2 英寸,100 加仑/分钟铝制仪表,带计数器 M-7-A-16 乙醇 2 英寸,100 加仑/分钟铝制仪表,带计数器 M-7-A-16 液体甜味剂 2 英寸,100 加仑/分钟铝制仪表,带计数器 M-7-A-3 水 2 英寸,80 加仑/分钟黄铜仪表,带计数器 M-7-A-20 酸 2 英寸,80 加仑/分钟 316 不锈钢仪表,带计数器 M-7-A-8 腐蚀剂 2 英寸,100 加仑/分钟铸铁仪表,带计数器 M-7-A-7
溶剂 2 英寸,100 加仑/分钟铝制仪表,带计数器 M-7-A-16 乙醇 2 英寸,100 加仑/分钟铝制仪表,带计数器 M-7-A-16 液体甜味剂 2 英寸,100 加仑/分钟铝制仪表,带计数器 M-7-A-3 水 2 英寸,80 加仑/分钟黄铜仪表,带计数器 M-7-A-20 酸 2 英寸,80 加仑/分钟 316 不锈钢仪表,带计数器 M-7-A-8 腐蚀剂 2 英寸,100 加仑/分钟铸铁仪表,带计数器 M-7-A-7
摘要:由于在文献中众所周知,过渡金属可以形成极端硬化的碳化物并有效地增强材料的矩阵,因此最近添加了其中的一些,例如V,NB,CR,MO和W,以同时添加到铸铁中。此外,通常将CO添加到铸铁以增强材料的基质。然而,铸铁的耐磨性也可能受到C的添加,专家在文献中很少讨论。因此,在这项研究中研究了C含量(1.0; 1.5; 2.0 wt。%)对5 wt。%V/CR,MO,W和CO合金的磨料磨损行为的影响。根据磨砂颗粒,使用二氧化硅砂(1100 hv; 300 µm)的ASTM G65使用橡胶轮磨损测试机进行了评估。结果表明,在材料的微观结构上沉淀出复数碳化物(MC,M 2 C和M 7 C3),这与C的其他类型的碳化物的行为不同,因为C的数量增加。The hardness and wear resistance properties of 5V-5Cr-5Mo-5W-5Co-Fe and 5Nb-5Cr-5Mo-5W-5Co-Fe multicomponent cast alloys increased as the quantity of C increased.但是,我们观察到两种具有相同C添加的材料之间的硬度没有显着差异,而与VC相比,由于NBC的尺寸较大,与5V样品相比,5NB具有更好的磨损性特性。因此,可以确定,在这项研究中,碳化物的大小比其体积分数和硬度更重要。