ICS 77.040.99 CCS H 23 34 安徽省 地方 标准 DB34/T 4738—2024 等离子体环境中金属材料的氢渗透性能 测试方法 Test method for hydrogen permeation performance of metal materials in plasma environment 2024 - 04 - 15发布 2024 - 05 - 15实施 安徽省市场监督管理局 发布 . DB34/T 4738 —2024 I 目次 前言 ................................ ................................ ................. II 1 范围 ................................ ................................ ............... 1 2 规范性引用文件 ................................ ................................ ..... 1 3 术语和定义 ................................ ................................ ......... 1 4 方法原理 ................................ ................................ ........... 1 5 试样制备 ................................ ................................ ........... 2 6 设备要求 ................................ ................................ ........... 2 7 测试流程 ................................ ................................ ........... 4 安装试样 ................................ ................................ ....... 4 7.1 安装试样台 ................................ ................................ ..... 4 7.2 连接线路 ................................ ................................ ....... 4 7.3 抽真空 ................................ ................................ ......... 4 7.4 加热除气 ................................ ................................ ....... 4 7.5 调节试样温度 ................................ ................................ ... 4 7.6 开启质谱仪 ................................ ................................ ..... 4 7.7 施加偏压 ................................ ................................ ....... 4 7.8 充气放电 ................................ ................................ ....... 4 7.9 等离子体参数测量 ................................ .............................. 4 7.10 氢渗透量测量 ................................ ................................ .. 4 7.11 关闭等离子体 ................................ ................................ .. 5 7.12 质谱仪标定 ................................ ................................ .... 5 7.13 8 结果分析 ................................ ................................ ........... 5 标定系数 ................................ ................................ ....... 5 8.1 稳态渗透通量 ................................ ................................ ... 5 8.2 9 测试报告 ................................ ................................ ........... 5 附录A（资料性） 朗缪尔单探针伏安特性曲线计算等离子体参数 ............................. 6 A.1 伏安特性曲线 ................................ ................................ ... 6 A.2 等离子体参数计算 ................................ ............................... 6