Raytron Technical Review RESEARCH ARTICLE WP-01-09

Quality Control: Ensuring Bimetallic Conductor Reliability

Q: What are the main quality defects of bimetallic conductors?

Main defects include: interface delamination (poor bonding), cladding eccentricity (uneven thickness), surface cracking (excessive work hardening), dimensional out-of-tolerance (die wear), insufficient conductivity (raw material issues). These defects can be avoided through strict process control and inspection.

Q: How to establish an effective quality control system?

Establishing quality control system requires: 1) Define quality standards and testing methods; 2) Establish raw material inspection procedures; 3) Implement process monitoring and SPC; 4) Establish finished product inspection specifications; 5) Establish traceability and corrective action systems; 6) Continuous training and improvement.

Q: How is SPC applied in bimetallic conductor production?

SPC is applied to monitor key parameters: conductivity, tensile strength, dimensions, etc. Use X-bar R charts to monitor process mean and variation, set control limits and specification limits. When data points exceed control limits, analyze causes and take corrective actions.

RAYTRON技术团队¹ *

¹RAYTRON集团技术研究中心, 中国

^*Corresponding author

Received: 2025年12月 Accepted: 2026年2月 Published: 2026年3月

DOI: 10.1234/raytron.2026.WP-01-09

Abstract

质量控制是双金属导体生产的关键环节。本白皮书研究质量控制体系、检测方法和统计过程控制。我们分析关键质量指标、检测频率和验收标准，为建立有效的质量控制体系提供指南。

Key Findings

Key Quality Indicators Defined Key quality indicators for bimetallic conductors include: conductivity (CCA≥62% IACS), tensile strength (≥150MPa), elongation (≥15%), interface bond strength (>40MPa). These indicators need regular testing and SPC control.
Statistical Process Control is Effective SPC monitors variation of key parameters through control charts, detecting abnormal trends in time. Key parameters include dimensions, conductivity, tensile strength, etc. Cpk>1.33 indicates adequate process capability, Cpk<1.0 requires improvement.
Non-destructive Testing Ensures Quality Ultrasonic testing can detect interface delamination and porosity, eddy current testing can measure conductivity and cladding thickness. Non-destructive testing achieves 100% inspection, preventing defective products from entering the market.
Quality System Needs Continuous Improvement Establish comprehensive quality management system, including raw material inspection, process control, finished product testing, and customer feedback. Continuous improvement through PDCA cycle reduces defect rate and improves customer satisfaction.

Keywords

质量控制;统计过程控制;检测方法;质量指标;验收标准

1. 引言

创建质量控制流程图

MEDIA TODO

Figure Fig. 1 质量控制流程图

2. 质量体系

3. 检测方法

4. 统计过程控制

创建SPC控制图示例

MEDIA TODO

Figure Fig. 2 SPC控制图示例

5. 结论

Frequently Asked Questions

What are the main quality defects of bimetallic conductors?

Main defects include: interface delamination (poor bonding), cladding eccentricity (uneven thickness), surface cracking (excessive work hardening), dimensional out-of-tolerance (die wear), insufficient conductivity (raw material issues). These defects can be avoided through strict process control and inspection.

How to establish an effective quality control system?

Establishing quality control system requires: 1) Define quality standards and testing methods; 2) Establish raw material inspection procedures; 3) Implement process monitoring and SPC; 4) Establish finished product inspection specifications; 5) Establish traceability and corrective action systems; 6) Continuous training and improvement.

How is SPC applied in bimetallic conductor production?

SPC is applied to monitor key parameters: conductivity, tensile strength, dimensions, etc. Use X-bar R charts to monitor process mean and variation, set control limits and specification limits. When data points exceed control limits, analyze causes and take corrective actions.

Figures

创建质量控制流程图

Fig. 1 质量控制流程图

创建SPC控制图示例

Fig. 2 SPC控制图示例

创建缺陷类型统计图

Fig. 3 缺陷类型统计图

Tables

Table 1 关键质量指标

指标	规格	检测频率
导电率	≥62% IACS	每卷
抗拉强度	≥150 MPa	每批
延伸率	≥15%	每批

Table 2 检测方法

检测项目	方法	标准
导电率	涡流法	ASTM B193
尺寸	千分尺	ASTM B258
结合强度	剥离测试	ASTM B452

References

ASTM International ASTM Standards for Bimetallic Conductors ASTM (2020)

Authoritative References

ASTM International IEC (International Electrotechnical Commission) ISO (International Organization for Standardization) SAE International IEEE