QB
Henan Hanyin Optoelectronics Technology Co., Ltd.
Enterprise standard
Q/HYGD 0001-2022
Reinforced by medium and high volume silicon carbide particles
Aluminum matrix composite billet
Published on 2022-03-20 Implemented on 2022-04-10
Released by Henan Hanyin Optoelectronics Technology Co., Ltd.
foreword
Medium and high volume silicon carbide particles reinforced aluminum matrix composite ingots have broad application prospects in the aerospace field. At present, there are no National standards or industry standards to follow. According to the requirements of the standardization law, this standard is specially formulated to guide product design and acceptance.
This standard is compiled in accordance with GJB/T 6000-2001 "Standard Writing Rules".
This standard is proposed by Henan Hanyin Optoelectronics Technology Co., Ltd.
This standard is under the jurisdiction of Henan Hanyin Optoelectronics Technology Co., Ltd.
This standard was drafted: Henan Hanyin Photoelectric Technology Co., Ltd.
The main drafters of this standard: Liu Xiangning Zhang Shuangyu
This standard is published for the first time.
Medium and high body fractional silicon carbide particles reinforced aluminum matrix composite billet ingot technical standards
1. Scope
This standard specifies the requirements, quality assurance regulations, test methods, inspection rules, markings for medium and high body fraction SiCp/Al composite material ingots prepared by powder metallurgy technology , packaging, transportation, storage and contract requirements.
This specification applies to medium to high volume silic carbide particle reinforced aluminum matrix composite billet ingots.
2. Normative references
The clauses in the following documents become clauses of this standard through reference in this standard. For dated references, all subsequent amendments (not including errata) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used . For undated references, the latest edition applies to this standard.
GB/T 3190 Deformed Aluminum and Aluminum Alloy Chemical Composition
GB/T 6987 Chemical Analysis Methods of Aluminum and Aluminum Alloys
GB/T 1423-1996 Test method for the density of precious metals and their alloys
GB/T 228-2002 Room temperature tensile test method for metallic materials
GB/T 5593 Electronic Components Structural Ceramic Materials
GB/T 22315-2008 Test method for elastic modulus and Poisson's ratio of metallic materials
GB/T 4339-2008 Determination of thermal expansion characteristic parameters of metallic materials
GB/T 22588-2008 Flash method to measure thermal diffusivity or thermal conductivity
GB/T 16865-2013 Specimen for tensile test of deformed aluminum, magnesium and its alloy processed products
GB/T 3246.2 Deformed aluminum and aluminum alloy products low magnification test method
GB/T 3246.1 Microstructure inspection method of deformed aluminum and aluminum alloy products
GB/T 3199-2007 Packaging, marking, transportation and storage of aluminum and aluminum alloy processed products
GB/T 17432-2012 Sampling method for chemical composition analysis of deformed aluminum and aluminum alloy
3. Requirements
3.1 Composition of materials
The components and requirements of the materials used and the volume fraction of each component of the SiCp/Al composite should meet the requirements in Table 1.
Table 1
Material grade
| SiC particle purity | Impurity content in aluminum alloys | SiC particle content | Matrix alloy content |
SiCp/Al-PD35 | ≥99% | ≤1% | 35±3% | Remainder |
SiCp/Al-PD40
| ≥99% | ≤1% | 40±3% | Remainder |
SiCp/Al-PD45 | ≥99% | ≤1% | 45±3% | Remainder |
SiCp/Al-PD50 | ≥99% | ≤1% | 50±3% | Remainder |
SiCp/Al-PD55 | ≥99% | ≤1% | 55±3% | Remainder |
SiCp/Al-PD60 | ≥98% | ≤1% | 60±3% | Remainder |
SiCp/Al-PD65 | ≥98% | ≤1% | 65±3% | Remainder |
SiCp/Al-PD65 | ≥98% | ≤1% | 70±3% | Remainder |
3.2 Marking
3.2.1 Marking method
The marking method of billet ingots shall be marked in turn according to the product name, grade and status, ingot number, delivery size, and this standard code.
3.2.2 Marking Example
On July 1, 2022, a quenched artificially aged billet with a diameter of 1200mm and a height of 600mm made of 6061 composite material with a content of 45% reinforced particles. Mark as:
PD45 composite ingot PD45-T6 PD20220701×1200×600 QB0001C-2022
3.3 Chemical composition
The chemical composition of the base alloy shall comply with the provisions of GB/T3190.
3.4 Dimensional deviations are allowed
When the billet drawing is signed, the allowable deviation of the size shall be marked on the drawing. For the measurable size of which the deviation is not indicated in the drawing, the deviation can be negotiated and determined according to the requirements of the party.
3.5 Density
The density of the SiCp/Al composite billet shall meet the requirements in Table 2.
3.6 Performance
The properties of SiCp/Al composite billet shall meet the requirements in Table 2.
Table 2
Material grade | State | Density g/cm3 | Elastic modulus GPa | Coefficient of linear expansion 106/K | Bending strength MPa | Tensile strength MPa | Elongation % |
SiCp/Al-PD35 | O | ≤2.90 | 135±5 | 14.5±0.5 | ≥650 | ≥500 | Remainder |
T6 | ≥800 | ≥600 |
|
SiCp/Al-PD40 | O | ≤2.92 | 150±5 | 13±0.5 | ≥600 | ≥360 | Remainder |
T6 | ≥680 | ≥390 |
|
SiCp/Al-PD45 | O | ≤2.94 | 160±5 | 11.5±0.5 | ≥600 | ≥350 | Remainder |
T6 | ≥650 | ≥370 |
|
SiCp/Al-PD50 | O | ≤2.97 | 180±5 | 10.8±0.5 | ≥650 | ≥340 | Remainder |
T6 | ≥670 | ≥370 |
|
SiCp/Al-PD55 | O | ≤3.00 | 195±5 | 9.5±0.5 | ≥550 | ≥340 | Remainder |
T6 | ≥600 | ≥370 |
|
SiCp/Al-PD60 | O | ≤3.02 | 200±5 | 8.9±0.5 | ≥500 | ≥310 | Remainder |
T6 | ≥550 | ≥340 |
|
SiCp/Al-PD65 | O | ≤3.05 | 215±5 | 8.2±0.5 | ≥450 | ≥290 | Remainder |
T6 | ≥500 | ≥310 |
|
SiCp/Al-PD70 | O | ≤3.07 | 235±5 | 7.6±0.5 | ≥400 | ≥280 | Remainder |
T6 | ≥450 | ≥300 |
|
3.
3.7 Low magnification tissue
Cracks, aluminum strips, and non-metallic inclusions are not allowed on the low magnification test piece of the SiCp/Al composite billet.
3.8 Microstructure
The SiC in the microstructure of the SiCp/Al composite billet is uniformly distributed in the matrix, and no large-sized holes (diameter over 10 μm) are allowed.
3.9 Surface Quality
3.9.1 Cracks, corrosion spots and nitrate traces are not allowed on the surface of the SiCp/Al composite billet.
3.9.2 Surface roughness and local mechanical damage with a depth not exceeding 5% of the nominal size of the part where the defect is located are allowed on the surface of the SiCp/Al composite billet, but the depth of the defect shall not exceed the machining allowance, and the total defect area shall not exceed the surface area of the billet. 5%.
4. Test method
4.1 Chemical composition analysis method
The chemical composition analysis method of SiCp/Al composite material ingot shall be carried out according to the provisions of GB/T 6987.
4.2 Density
The analysis method of SiCp/Al composite billet density shall be carried out according to the provisions of GB/T 1423-1996.
4.3 Performance test method
The room temperature tensile strength test of the SiCp/Al composite ingot is carried out according to the provisions of GB/T 228-2002.
The room temperature bending strength test of SiCp/Al composite ingot is carried out according to the provisions of GB/T 5593.
The elastic modulus test of SiCp/Al composite billet is carried out according to the provisions of GB/T 22315-2008.
The linear expansion coefficient test of SiCp/Al composite billet is carried out according to the provisions of GB/T 4339-2008.
The selection and preparation of SiCp/Al composite billet tensile specimens are carried out in accordance with the provisions of GB/T16865.
The selection and preparation of SiCp/Al composite billet flexural strength samples are carried out in accordance with the provisions of GB/T5593.
The selection and preparation of the elastic modulus of SiCp/Al composite billet ingots are carried out in accordance with the provisions of GB/T 22315-2008.
The selection and preparation of the linear expansion coefficient of the SiCp/Al composite billet ingot shall be carried out in accordance with the provisions of GB/T 4339-2008.
When standard samples cannot be processed from SiCp/Al composite ingots, non-standard samples are allowed.
4.4 Low magnification tissue inspection method
The low-magnification microstructure inspection of SiCp/Al composite ingots is carried out according to the provisions of GB/T 3246.
4.5 Microstructure inspection method
The microstructure inspection of SiCp/Al composite billets shall be carried out according to the provisions of GB/T 3246.
4.6 Dimensional measurement method
The dimensional accuracy of SiCp/Al composite billet is not less than 1mm.
4.7 Surface quality
Surface quality is measured visually, not with a magnifying glass.
5. Inspection rules
5.1 Inspection and acceptance
5.1.1 The SiCp/Al composite material ingots shall be inspected by the technical supervision department of the supplier to ensure that the product quality conforms to the provisions of this standard (or order contract), and the quality certificate shall be filled out.
5.1.2 The purchaser shall inspect the received products in accordance with the provisions of this standard. If the inspection results do not conform to the provisions of this standard (or order contract), it shall submit a proposal to the supplier in accordance with the relevant provisions of GB/T 3199, and the supply and demand shall Both parties negotiate. If arbitration is required, sampling shall be carried out by the buyer and both parties shall jointly conduct the sampling.
5.2 Batch
SiCp/Al composite ingots should be submitted for acceptance in batches, each batch should be composed of the same alloy grade, state and specification, and the batch is not limited.
5.3 Inspection items
Each batch of SiCp/Al composite ingots shall be inspected for shape, dimensional deviation, density, mechanical properties, surface quality and microstructure. Quenched products should be subjected to microstructure inspection.
5.4 Sampling
5.4.1 The sampling of chemical composition shall be in accordance with the provisions of GB/T 17432.
5.4.2 The sampling of density shall be in accordance with the provisions of GB/T 1423-1996.
5.4.3 Sampling of SiCp/Al composite billet properties
The performance samples of SiCp/Al composite ingots shall be cut from the end face of the ingots for random inspection, and only one ingot shall be cut for each batch of ingots. The sampling quantity of SiCp/Al composite billet properties shall be carried out according to the provisions of Table 3.
5.4.4 Low magnification tissue sampling
The low-magnification sample of the SiCp/Al composite billet shall be cut from the end face of the billet for random inspection, and only one billet shall be cut for each batch of billet. The sampling quantity of low magnification structure of SiCp/Al composite ingot shall be carried out according to the provisions of Table 3.
5.4.5 Microstructure sampling
For SiCp/Al composite ingots delivered in T4 and T6 states, two microstructure samples were cut from each batch (heat treatment furnace).
5.5 Judgment of inspection results
5.5.1 If the chemical composition, microstructure and density are unqualified, the whole batch is unqualified;
5.5.2 When any sample fails in the mechanical property test, double the number of samples from the batch of ingots (including the original unqualified ingots) should be re-tested. If the repeated tests are all qualified, the The batch is judged to be qualified. If there are still unqualified samples after repeated tests, the batch of ingots is judged to be unqualified, but the supplier is allowed to inspect one by one, and the qualified ones will be delivered.
5.5.4 Re-inspection of unqualified tissue at low magnification
If there are cracks and non-metallic inclusions in the low magnification sample, the billet shall be scrapped. Allow another bill from this batch of ingots
Take double number of samples to repeat the test. If the re-inspection is qualified, the batch of ingots will be judged as qualified. If there are still unqualified samples in the re-inspection, the batch of ingots will be unqualified or inspected by the supplier one by one, and the qualified ones will be delivered. .
Table 3
Inspection items | Sampling location | Number of samples, pcs | Require a chapter number | Check the chapter number |
Number ,pcs | Number of samples per sample |
Chemical composition | See Note 1 | 1 per batch | 1 | 3.3 | 4.1 |
Density | Anywhere | 1 per batch | 1 | 3.5 | 4.2 |
Mechanical properties |
| 1 per batch | 3 | 3.6 | 4.3 |
Elastic modulus | Anywhere | 1 per batch | 1 | 3.6 | 4.3 |
Coefficient of linear expansion | Anywhere | 1 per batch | 1 | 3.6 | 4.3 |
Low-power tissue | Anywhere | 1 per batch | 1 | 3.7 | 4.4 |
Microstructure | Anywhere | 1 per batch | 1 | 3.8 | 4.5 |
Dimensional deviations | Anywhere | sampling | — | 3.4 | 4.6 |
Appearance organization | Anywhere | one by one | — | 3.9 | 4.7 |
Note 1: When analyzing chemical composition, the supplier can take samples when the hot pressure is stable, and can be cut at any part of the plate during re-examination or arbitration. |
6. Marking, packaging, transportation and storage
6.1 Logo
6.1.1 A placard with the following marks shall be hung on each batch of ingots that have passed the inspection:
a) Inspection by the supplier's technical supervision department;
b) the grade of the alloy;
c) supply status;
d) Lot number.
6.1.2 The packaging box mark of the billet shall comply with the provisions of GB/T3199
6.2 Packaging, transport and storage
The billets are unoiled and packed in boxes lined with one layer of moisture-proof paper or other moisture-proof material and two layers of packing foam or other anti-collision material. If the buyer requires anti-rust oil for packaging or other requirements, it should be indicated in the contract. Other requirements shall comply with the provisions of GB/T 3199-1996.
6.3 Quality certificate
Each batch of ingots shall be accompanied by a quality certificate conforming to the requirements of this standard, which shall indicate:
a) Supplier name:
b) product name;
c) the grade of the alloy;
d) supply status;
e) Specifications:
f) Lot number:
g) the net number of overlapping pieces;
h) The results of various analysis and inspections and the imprint of the technical supervision department;
i) the number of this standard;
j) date of manufacture (or date of packaging).
7. Contents of the order contract
The order contract for the products listed in this standard shall include the following contents:
a) product name;
b) Alloy grade:
c) the state of the material;
d) Specifications;
e) Dimensional tolerance (if not specified, it will be supplied at a lower level);
f) weight;
g) No. of this standard:
h) Other requirements.