GB/T 35096-2018 in English
VALIDSiC particulate reinforced aluminum matrix composites—Forgings
- Issued on:2018-05-14
- Implemented on:2019-04-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$117.00
《GB/T 35096-2018SiC颗粒增强铝基复合材料 锻材》由TC572（全国碳纤维标准化技术委员会）归口，主管部门为国家标准化管理委员会。
Introduction
Interpretation of the National Standard of the People's Republic of China GB/T 35096—2018
1. Background and significance of standard formulation
SiC particle reinforced aluminum matrix composites have important application value in aerospace, automobile and other fields due to their excellent mechanical properties and high temperature stability. In order to standardize production and quality control, GB/T 35096—2018 standard came into being, aiming to ensure the reliability and consistency of products.
2. Comparison of Standard Frameworks
| Standard Dimensions | Technical Requirements | Inspection Methods | Compliance Analysis |
|---|---|---|---|
| Term Definitions | The definitions and related terms of SiC particle reinforced aluminum matrix composite forgings are clarified. | Determined through document review and expert discussion. | Ensure uniformity of industry terms to avoid ambiguity. |
| Classification and Identification | Classified by matrix type, reinforcement volume fraction and heat treatment state. | Refer to YS/T479 and GB/T8545 standards. | Convenient for supply chain management and quality traceability. |
| Technical requirements | Includes surface quality, dimensional deviation, internal quality and performance indicators. | Quote GB/T6519, GB/T32498 and other standard methods. | Ensure that the product meets high-performance application requirements. |
3. Interpretation of technical specifications
3.1 Terms and definitions
SiC particle reinforced aluminum matrix composite forgings refers to SiC particle reinforced aluminum alloy materials manufactured by die forging or free forging process and by melt casting. Its matrix materials include 2A14, 7A04, 6A61, etc., and the volume fraction of SiC does not exceed 40%.
3.2 Classification and identification
Material is classified according to matrix type, volume fraction of reinforcing particles and heat treatment state. For example, the grade 10%SiC/2A14-T6 means that the volume fraction of SiC is 10%, the matrix is 2A14 aluminum alloy, and the heat treatment state is T6.
3.3 Technical requirements
- Surface quality:Die forgings meet the YS/T479 standard, and free forgings need to deal with cracks and other defects.
- Dimensional deviation:According to GB/T8545, the deviation of die forgings is stricter than that of free forgings.
- Internal quality:Ultrasonic and X-ray testing are used to evaluate defects, and grade A and above are considered qualified.
- Microstructure:SiC particles should be dispersed without agglomeration, and the matrix should have no pores or inclusions.
4. Performance Index Comparison
| Grade | Tensile Strength Rm (MPa) | Specified Non-proportional Elongation Strength Rp.2 (MPa) | Elastic Modulus E (GPa) | Elongation after Break (%) | Brinell Hardness HBW 10/1500 | Linear Expansion Coefficient (×10-6/℃) |
|---|---|---|---|---|---|---|
| 10%SiC/2A14-T6 | 400 | 350 | 85 |
