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DB43/T2—2023 83643 湖南省地方标准 ICS CCS 19.100 N 77 发 布 湖南省市场监督管理局2023-1 1发布-09 2024-02实施-0 9承压设备中厚板对接接头相控阵超声和 衍射时差法超声组合检测 Combined nondestructive testing in butt joint welding of thick plates in pressure equipment: using phased array ultrasonic and time-of-flight diffraction combination detection DB43/T 2836—2023 I 目 次 前言 ································ ································ ································ ························ Ⅲ 1 范围 ································ ································ ································ ····················· 1 2 规范性引用文件 ································ ································ ································ ······ 1 3 术语和定义 ································ ································ ································ ············ 1 4 缩略语 ································ ································ ································ ·················· 2 5 一般要求 ································ ································ ································ ··············· 2 5.1 基本规定 ································ ································ ································ ········· 2 5.2 检测设备和器材 ································ ································ ································ 3 5.3 无损检测工艺文件 ································ ································ ····························· 3 5.4 检测设备的校准、核查、运行核查和检查 ································ ······························· 3 6 检测工艺 ································ ································ ································ ··············· 4 6.1 检测工艺技术要求 ································ ································ ····························· 4 6.2 工艺验证 ································ ································ ································ ········· 9 7 检测过程 ································ ································ ································ ··············· 9 7.1 检测准备 ································ ································ ································ ········· 9 7.2 检测实施 ································ ································ ································ ······· 10 8 检测数据分析和评价 ································ ································ ······························ 11 8.1 检测数据分析和评价要求 ································ ································ ·················· 11 8.2 分析判定缺陷 ································ ································ ································ · 11 9 缺陷的评定和质量分级 ································ ································ ··························· 11 9.1 缺陷评定 ································ ································ ································ ······· 11 9.2 质量分级 ································ ································ ································ ······· 11 9.3 PAUT焊接接头质量分级 ································ ································ ···················· 11 9.4 TOFD对接接头缺陷评定 ································ ································ ···················· 13 9.5 缺陷的定性 ································ ································ ································ ···· 13 9.6 记录和报告 ································ ································ ································ ···· 13 10 检测质量控制 ································ ································ ································ ······ 13 附录A(资料性) PAUT和TOFD组合检测操作指导书 ································ ······················· 15 附录B(资料性) 焊接接头 PAUT和TOFD组合检测报告 ································ ··················· 17 参考文献 ································ ································ ································ ·················· 20 DB43/T 2836—2023 II DB43/T 2836—2023 III 前 言
DB43-T 2836-2023 承压设备中厚板对接接头相控阵超声和衍射时差法超声组合检测 湖南省
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本文档由 思安 于
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