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Equipment K-101
FM blade_erosion
ISO 14224 mode STD Structural deficiency
Source Synthetic
Moving-Blade Erosion / Water Droplet Erosion
K-101 · Steam Turbine (Driver)
Related equipment → K-101
0.82Source conf.
—Evidence conf.
STDISO 14224 mode
1Failure Mechanism
Function:做功并传递扭矩
Failure cause:蒸汽带水 / 固体颗粒冲蚀 / 叶片型线损伤
Damage mechanism：末级叶片水蚀（moisture/wet-steam erosion）+ 固体颗粒冲蚀（SPE）+ 高周疲劳（HCF, 喷嘴尾迹）
2Source Basis (where this FM comes from)
SyntheticQuant benchmark
Source confidence 0.82: this FM is derived from the ontology KB and cross-validated by Synthetic·Quant benchmark.
3Evidence Chain (supporting basis)
This FM has no offline curated evidence text; it is derived from the ontology KB and cross-validated by the listed standard clauses and related accident investigations.
Governing standards (evidence)：std:API-612 — API 612 — Special-Purpose Steam Turbines · 专用蒸汽透平（驱动用）std:API-571 — API 571 — Damage Mechanisms Affecting Fixed Equipment · 损伤机理归类框架std:API-684 — API 684 — Tutorial on Rotordynamics · 转子动力学std:ISO-10437 — ISO 10437 — Steam turbines — Special-purpose applications · 专用汽轮机规范
4Related Real Accidents (traceable to accident cards)
This FM is recorded in 3 real accident investigation(s); tap the report no. to open the corresponding accident lesson card.
5Applicable Standards & Clauses
SAE JA1011_202411API 580ISO 14224:2016
Standard clause references (2):
API 611API 612
6Derived Analysis (seeded from this FM)
7/3/3FMEA Sev/Occ/Det
0.3RBI λ
0.85Monitor pdet
4 月Insp. int.
Current tasks:转子动平衡 + 叶片检查
RCFA incident:K-101 蒸汽透平效率下降，揭缸发现末级动叶片水蚀与冲蚀损伤
7RCM Maintenance Decision (strategy landing)
CBMOn-Condition Maintenance
Recommended task壁厚/型线超声测厚 + 耐磨层状态检查, 视情修复或涂层; 无损检测(UT/MT/PT) 监测裂纹萌生, 关键转动件定时拆检; 标定/零点-跨度校验 + SIL Proof test + 阀门行程试验 + 变更管理
Suggested intervalHigh risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Decision basis机理类别=erosion; fatigue; instrument
Governing standardsAPI 510API 570API 579API 581API 612ASME VIIIGB/T 21109IEC 61511ISA 84
⚠ This decision is engineering-inferred by RCM logic from the damage mechanism / root cause / failure cause — it is not derived from measured site history. Confirm with the equipment owner and process before execution.
⚠ 本卡技术正文（功能 / 致因 / 损伤机理 / RCFA 叙事）保留中文原文——依可信 AI 红线，自由技术文本不自动机翻、不编造英文译文。UI、设备类型、FM 名、ISO 码、标准号均为英文。