GB/T 44524-2024 in English
VALIDAdditive manufacturing—Porosity of metal parts—Industrial computed tomography (CT） testing method
- Issued on:2024-09-29
- Implemented on:2024-09-29
- File Format:PDF
- Delivery:Via email within 5 business days
Price(USD)：
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$330.00
$330.00
《GB/T 44524-2024增材制造 金属制件孔隙率 工业计算机层析成像（CT）检测方法》由TC562（全国增材制造标准化技术委员会）归口，TC562SC1（全国增材制造标准化技术委员会测试方法分会）执行，主管部门为中国机械工业联合会。
Introduction
GB/T 44524—2024 In-depth analysis of industrial CT detection methods for porosity of additively manufactured metal parts
Analysis of standard formulation background and technological evolution
With the rapid development of additive manufacturing technology, metal parts are increasingly used in aerospace, automotive, medical and other fields. However, the porosity problem has always been an important factor affecting its performance and reliability. In order to standardize the porosity detection method, GB/T 44524—2024 came into being.
Comparison of standard frameworks
| Dimensions | Current standard requirements | Differences from old standards | Improvement highlights |
|---|---|---|---|
| Qualifications of testing personnel | Must obtain GB/T9445 qualification certification and be familiar with CT system operation | The old standard did not specify the qualification requirements | New radiation safety training and dose limit requirements |
| System configuration requirements | CT system performance must comply with GB/T29068, and the detector resolution must not be less than 16bit | The old standard has relatively general requirements for equipment | Refine the selection of radiation sources and performance test methods |
| Testing process specifications | Detailed regulations are provided for parameter setting, scanning and image processing and analysis | The old standard process is relatively simple | New reference area/space selection and clustered pore determination rules |
Implementation suggestions
Case analysis: Application practice of an aerospace company
In actual production, the company has adopted the following measures to ensure the effective implementation of the standard:
- Staff training:Regularly organize testing personnel to conduct GB/T9445 and radiation safety related training
- Equipment upgrade:Introduce high-resolution industrial CT system to meet the testing needs of complex parts
- Process optimization:Adjust scanning parameters according to standard requirements to improve testing efficiency and accuracy
Sample only — not a preview of GB/T 44524-2024
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