行业组件数据 · 2026

热障涂层

Thermal barrier coating applied to continuous casting mold copper plates to reduce heat transfer and extend component lifespan.

技术定义与适配语境
典型 热障涂层 会按材料、尺寸公差、适配关系和失效风险在 基础金属制造 中评估。

A specialized ceramic-based coating system applied to the surface of continuous casting mold copper plates to create a thermal insulation layer. This coating reduces heat transfer from molten steel to the copper plate, minimizing thermal stress, preventing premature wear, and maintaining consistent cooling rates during the continuous casting process.

组件规格

定义
A specialized ceramic-based coating system applied to the surface of continuous casting mold copper plates to create a thermal insulation layer. This coating reduces heat transfer from molten steel to the copper plate, minimizing thermal stress, preventing premature wear, and maintaining consistent cooling rates during the continuous casting process.
工作原理
Works by creating a low thermal conductivity ceramic layer (typically yttria-stabilized zirconia) between the molten steel and copper substrate. This layer reduces heat flux through the copper plate, allowing for more controlled solidification of steel while protecting the copper from thermal fatigue and erosion.
材料
Multilayer system: Bond coat (MCrAlY alloy)Thermal barrier layer (7-8% yttria-stabilized zirconiaYSZ)Top coat (optional sealant). Thickness: 200-500 μm.
Porosity
<15%
Adhesion Strength
>50 MPa
Coating Thickness
200-500 μm
Thermal Conductivity
1.0-1.5 W/m·K
Operating Temperature
Up to 1200°C
Thermal Expansion Coefficient
9-11 × 10⁻⁶/°C
标准
ISO 14923DIN EN 582ASTM C633

行业分类与别名

热障涂层 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Thermal cycling stress exceeding coating adhesion limits->Coating spallation and delamination->Optimize bond coat composition, implement controlled cooling cycles, regular thermal imaging inspection
Molten steel/slag chemical attack->Coating erosion and reduced thermal protection->Apply chemical-resistant top coats, implement slag control practices, monitor coating thickness regularly
Improper application or curing->Poor adhesion and premature failure->Strict process control during application, post-application quality testing, certified application procedures

工业生态与工程逻辑

0
Coating delamination under thermal cycling
1
Crack propagation in ceramic layer
2
Reduced heat transfer affecting solidification rate
3
Chemical degradation from slag interaction

合规与检测

tolerance
Coating thickness ±10%, Adhesion strength >50 MPa, Thermal conductivity within 1.0-1.5 W/m·K range
test method
ASTM C633 for adhesion, ASTM E1461 for thermal diffusivity, ISO 14923 for coating characterization

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来自 CNFX 组件能力表的相关制造商资料。

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采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the primary function of thermal barrier coating on casting molds?

To reduce heat transfer from molten steel to copper plates, minimizing thermal stress and extending mold lifespan while ensuring consistent steel solidification.

How does this coating improve continuous casting efficiency?

By maintaining more stable temperature gradients, it reduces thermal cycling damage, decreases downtime for mold replacement, and improves surface quality of cast steel products.

What maintenance is required for coated copper plates?

Regular inspection for coating degradation, periodic surface cleaning to remove slag buildup, and recoating when thermal protection drops below specified thresholds.

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初步技术归类
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URN:CNFX:ME:UNIT:THERMAL_BARRIER_COATING