Introduction
In order to standardize the technical requirements, inspection methods, inspection rules and other related requirements of our Fe-based amorphous soft magnetic alloy ribbon, this standard is formulated.
These technical conditions shall be implemented as of the date of promulgation.
Drafting unit:Jiangsu Guoneng Alloy Technology Co., Ltd
Drafter:Chen Hua,Han Yongsuo,Zhang Weiguo,Shi Jun,Xie Wenming,Dong Guojun.
This standard is first released at 2022-08-10
1 Range
This standard specifies the product classification, technical requirements, inspection methods, inspection rules and marking, packaging and storage of Fe-based amorphous soft magnetic alloy ribbon (hereinafter referred to as ribbon).
2 Standardization of reference document
The following documents are essential for the application of this document. For dated references, the date-only version applies to this document. For undated references, the latest version (including all amendment orders) applies to this document.
Amorphous nanocrystalline products - Part 1: Fe-based amorphous soft magnetic alloy ribbon
Amorphous nanocrystalline alloys - Test methods - Part 1: AC magnetic properties of ring specimens
Test methods for amorphous nanocrystalline alloys - Part 2: ribbon lamination coefficient
Test methods for amorphous nanocrystalline alloys - Part 3: AC magnetic properties of Fe-based amorphous monolithic specimens
3Terminology and definition
The terms and definitions defined in GB/T19345.1, GB/T19346.1, GB/T19346.2 and GB/T19346.3 and the following terms and definitions apply to this document.
3.1
The total power absorbed by a uniformly magnetized material per unit mass, expressed in watts per kilogram (W/kg).
3.2
Specific apparent power
The total apparent power transferred to a uniformly magnetized material per unit mass, expressed in voltamperes per kilogram (VA/kg).
3.3
The ratio of the cross-sectional area occupied by the magnetic material to the total cross-sectional area of the accumulation.
4Grade and classification representation
This standard specifies the grade and classification of the ribbon as follows:
4.1Classification of the ribbon
GN***-XXW
W:Thickness
XX:An integer value indicating the actual thickness of the ribbon, in microns
***:Represents the ribbon specification, the integer value of the ribbon width, the unit is mm
GN:Company abbreviation
4.2The grade of the ribbon
A grade :Many parameters of the ribbon are higher than the national standard
B grade :Ribbon parameters are the same as the national standard;
C grade :Ribbon several parameters are lower than the national standard.
5Technical requirements
This standard specifies that the ribbon shall comply with the geometric characteristics and AC magnetic properties specified in Table 1
Categories | Classification | Nominal thickness(mm)
| Product grades | Lamination factor | Test conditions |
Total specific loss(Ps) W/kg ≤ | Specific apparent power(Ss) VA/kg ≤ | Coercivity(Hc) A/m No more than |
Type S | GN***-XXW | 0.0255 | A | 0.90-0.92 | 0.12
| 0.15
| 2.5
|
B | 0.88-0.90 | 0.13 | 0.16 | 3.0 |
C | 0.86-0.88 | 0.16 | 0.19 | 3.4 |
6Test methods and rules
This standard specifies the ribbon inspection as specified in Table 2
6.1 Instruments
6.1.1Vernier caliper: measuring ribbon width, outside diameter
6.1.2Laminated tester, micrometer: measuring ribbon thickness, laminated coefficient
6.1.3Performance tester: Test the magnetic properties of the ribbon
6.1.4Tape measure: Measure the diameter of the roll
6.1.5Electronic scale: ribbon weight
Table 2 Inspection rules for finished products
Numbers | Inspection item | Criterion of acceptability | Inspection instruments and methods | Remarks |
1 | Data check | Zone face | No strict net, strict scratching, splitting, brittleness, white skin, rust is qualified | Eyeballing |
|
Toughness | Toughness value≤3.0 | Eyeballing | Refer to GB/T 19345.1 |
Five layers range | 115mm ribbon and below five layers of rewinding total range≤9μm 120mm-142mm ribbon five layers of rewinding total thickness range≤10μm 150mm—170mm ribbon five layers of rewinding total thickness range≤12μm 213mm ribbon five layers of rewinding total thickness range≤15μm (The thickness of the two edge points is not calculated in the range) the middle can not be concave. | Eyeballing |
|
Width | The single-layer width range of the five-layer ribbon is±0.2mm, and the average width of the five layers is 142±0.5mm, 170±0.5mm, 213±0.5mm. | Eyeballing |
|
Lamination factor | The average lamination factor≥0.88 | Eyeballing | Specific performance parameters are subject to customer requirements |
Ac magnetism | average total specific loss＜0.135W/kg average specific apparent power≤0.17VA/kg average coercivity≤3.6A/m The single-layer total specific loss(Ps) ＜0.16W/kg Specific apparent power(Ss)≤0.19VA/kg Coercivity(Hc)≤4.5A/m | Eyeballing | Specific performance parameters are subject to customer requirements |
2 | Weight | 120mm | 550±5kg | Eyeballing |
|
142mm | 650±5kg | Eyeballing |
170mm | 780±5kg | Eyeballing |
213mm | 660±5kg | Eyeballing |
3 | Appearance | Coiling diameter | Tolerance range 1050mm±10mm Except 213mm |
| Refer to GB/T 19345.1 |
Ring | Refer to customer requirements |
|
Packaging | The carton and wooden pallet are not deformed, and the packing belt is not loose or crooked | Eyeballing |
Surface quality | Ribbon’s surface should be smooth and clean, without oil, watermarks, wavy folds, curling and other defects | Eyeballing |
End surface | 1. no curling, folding, running roll is qualified 2. Rolling edge, folding, running and can not exceed 1mm and only 1 place is qualified 3. Rolling edge, folding, running and can not exceed 1mm and no more than 3 places is for private use 4. Rolling edge, folding, running and exceed 1mm but less than 3 mm with 1 place is for private use 5.Other conditions are not qualified | Eyeballing |
4 | The single-layer ribbon | Appearance | Ribbon’s surface should be smooth and clean, without oil, watermarks, wavy folds, curling and other defects | Eyeballing | Refer to GB/T 19345.1 |
Geometric properties and AC magnetic properties | Refer to customer requirements | Eyeballing |
|
a. Ribbon’s Lamination factor refers to GB/T 19346.2 test method b. Ribbon’s AC magnetic properties refer to GB/T 19346.1 AND GB/T 19346.3 test methods |
7Marks , packaging and storage
7.1 Marks
For each roll of ribbon, a product label should be posted on the paper circle, the end of the ribbon and the outer packing box. The logo shall indicate the following:
a. Classification and specification of the ribbon
b. Basic product parameters customer required
7.2 Packaging
The ribbon should be packed with corrugated cardboard, the central paper ring of the tape tray is fixed on the wooden tray with customized wood block screws, the inside corners and the center of the carton are placed with desiccant and supporting cork, the outside of the ribbon tray is sealed with gas phase anti-rust paper and plastic film, the overall height of a single tray should not exceed four layers, and the nylon packing tape is fastened to the bottom of the wooden tray.
7.3 Storage
Ribbon should be stored in a ventilated, cool and dry, anti-impact, away from fire environment, and take appropriate measures to prevent rain and moisture.