SSC-29,应用爆炸试验评估高屈服强度钢的冲击性能,第一部分:高屈服强度钢直接爆炸试验技术的初步研究,作者:A. Muller、WG Benz 和 WA Snelling。第二部分:爆炸载荷下钢板断裂的理论研究,作者:E. Saibel。1949 年 7 月 13 日。
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
针对 46Rc 至 68Rc 的淬硬工具、模具和模具钢进行钻孔优化,在高温合金和难加工钢方面表现出色 140° 尖角 特殊的槽形可改善排屑性能并最大程度地提高刚性 双刃带设计可实现出色的孔精度和光洁度 最新一代 AlTiN 纳米涂层具有出色的硬度和耐热性 h6 刀柄公差,适用于热缩配合刀柄 选择硬质合金等级以延长刀具寿命 美国 CNC 磨削
作为其与改进船舶船体结构有关的研究计划的一部分,船舶结构委员会正在赞助一项调查,调查对象是纽约海军造船厂材料实验室按照美国船级社规范生产的船板钢的性能。随函附上该调查的第一份进展报告 S SSC-99 的副本,题为“ABS 船板钢的缺口韧性性能”,作者为 N. A. Kahn、E. A. Imbembo 和 J. J. Gabriel。
高强度钢,许多规范都涵盖了可用于船舶结构的高强度钢的缺口韧性。MIL-S-16216 规范涵盖了 HY-80 钢的缺口韧性要求,HY-80 钢是一种低碳镍铬钼钢。淬火和回火状态下的钢的夏比 V 型缺口冲击试验值的最低要求是厚度为 2 英寸或以下的钢板为 60 英尺磅,厚度为 2 英寸以上的钢板为 30 英尺磅。
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
船舶结构委员会赞助开发了一个数据库,该数据库涵盖了包含定量韧性数据的数据源,并根据这些数据开发了一个记录完备的计算机化数据库,供广大工程师和材料科学家使用。其中包括来自材料供应商的原始数据以及来自各种组织发表的论文和技术报告的数据。主要关注拉伸强度、夏比 V 型缺口棒冲击值、断裂韧性 (JIc)、NDTT 和 DT 能量;如果同一批次的材料有其他韧性参数,则也包括这些参数。这些材料包括代表赞助机构的项目技术委员会确定的钢材。这个数据库的原型版本包含了大约 1000 条记录,代表了 11 种钢材的大约 10,000 次测试。现在已有标准程序可以有效地添加其他合金和性能的数据。
28. J. Amri, T. Souier, B. Malki, B. Baroux, “冷轧不锈钢板最终退火对钝化膜电子性能和抗点蚀能力的影响”,腐蚀科学,50 (2008) 431-435。29. B. Malki, T. Souier, B. Baroux, “合金元素对不锈钢点蚀的影响:一种建模方法”,电化学学会杂志。155 (2008) C583-C587。
