Fig. 1.
![The main magnetization, the magnetic hysteresis loop, and the related magnetic characteristics [11]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/66e26ad87d402026d60a22d9/j_tar-2024-0013_fig_001.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIA6AP2G7AKLHY4KL76%2F20260318%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260318T143112Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjED0aDGV1LWNlbnRyYWwtMSJHMEUCIQCYg2%2FaDYGAmSmMG8358UrXyGI8R1oJJnja1ru4AdEEoQIgOROI1CbhsT7qCrCmuzfzdM%2BE3hHdg9aGE2E4h99pQcgqvQUIBhACGgw5NjMxMzQyODk5NDAiDOBpYPXuGYUOI8RKiyqaBZKEyapzJZuV4JoMZzkghiSOYbcM8uxCq2uZvHUo1WGS1BwqQBZLlivB3KALX3wjuY1WIoRyvet8plTMRBR65BWvELCzkUei6ZFV365tZR7wi3ukTpwIWb1x1Fy5KuVisXX8%2FkIMc6EfFOFC4ncaD5d1MpPFjihHUBHtm3RJ0nklHJsG2ZXb3vFqHPLTqm1vtVOAUe9DtKAr5wouB%2FLRK7CMlvaOM7tBBTVUsbk1NcW12XIPx6aZku0GJBDGZ34PP5amR5uFBrSK7lc3AIN0IboEHJVAhY6QrpCDSwW3rSTzQl4U%2F9ITdKadH4xd2lz6CWjM8%2B3xL5DX3JzXCfg1a%2BK3tgeflbXd5P8Hdfc2MZZY00tsBnmM4EHftwINMBm5JsSTRW6hyLy96jWLEH6lxl%2FmLfx0n8Jl%2BFpjd3NVw%2FSmMeb%2BkVOeyf4PufFNn%2FUjjBeyy0zTo0Vidk1br%2B0gZ712YABqtpvCH7H8UD7owTmNLBme4d3un2tU0bbCtfEvdXgft2YI6RvG2uKdOoZP1gfJ6U3C4E4MsyIgP93qBMtn0wW%2B%2BVkWfSMGFBSrKfxysie56vmxAP4darDT6JCGDqxckdmL5Mx4zb3U1Yp5W0FbQivg2CEaLkvVj6fjpmkVEoTLRHljeCzxqdoajTVB1z4eh0YHibNbXDKMx%2BN0%2FDEMLFdMJb0d8YRj7IXe%2Bmc4KYzQOp5%2FC3RpA1E5sfMvObWXIWaraeseek%2F82GUB7LRyGkqf7ammoDeBptMujzTYJm7HwmyNbvh7R9LRK7ZwrZUWtM2tsVtegWuMatSm4GVMm2TnusPGzWmDpIkA1cR65mPa2980mo%2BixRfbl%2BLzGPpw%2FWtl2BQa0aJQFUb4q%2BPGwKZtia3BtkhfLjCjxurNBjqxAdEIYmhbBvMfDglyrrOpFpZD2P2wgr9lPCh4lnW7EfUGib7uEcPcVM3i%2B3aYXbo3HVHB%2F7zAWfsfFGYs54aqyuCrwaIaEckls797Jdaw9EWSNe2FUS7OIO%2FEXFCqFk758Wj8hk7CrjuUzGuCF531bNamx%2BUXmnFCBswkF2ranuBZoRHLY0PK8%2BCFIutrhRZzyYbOo89XlOT2QwdhnOxxIi9kBmB0skFkUftopp0bKV3iyA%3D%3D&X-Amz-Signature=66739a401705af15d8b20086859be9223d714ce04bcbb70408019d04a52bd8a7&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Fig. 2.
![The hysteresis loop changes for steel subjected to cold working or caused by the non-magnetic addition: soft (1) and hardened (2) steels [11]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/66e26ad87d402026d60a22d9/j_tar-2024-0013_fig_002.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIA6AP2G7AKLHY4KL76%2F20260318%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260318T143112Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjED0aDGV1LWNlbnRyYWwtMSJHMEUCIQCYg2%2FaDYGAmSmMG8358UrXyGI8R1oJJnja1ru4AdEEoQIgOROI1CbhsT7qCrCmuzfzdM%2BE3hHdg9aGE2E4h99pQcgqvQUIBhACGgw5NjMxMzQyODk5NDAiDOBpYPXuGYUOI8RKiyqaBZKEyapzJZuV4JoMZzkghiSOYbcM8uxCq2uZvHUo1WGS1BwqQBZLlivB3KALX3wjuY1WIoRyvet8plTMRBR65BWvELCzkUei6ZFV365tZR7wi3ukTpwIWb1x1Fy5KuVisXX8%2FkIMc6EfFOFC4ncaD5d1MpPFjihHUBHtm3RJ0nklHJsG2ZXb3vFqHPLTqm1vtVOAUe9DtKAr5wouB%2FLRK7CMlvaOM7tBBTVUsbk1NcW12XIPx6aZku0GJBDGZ34PP5amR5uFBrSK7lc3AIN0IboEHJVAhY6QrpCDSwW3rSTzQl4U%2F9ITdKadH4xd2lz6CWjM8%2B3xL5DX3JzXCfg1a%2BK3tgeflbXd5P8Hdfc2MZZY00tsBnmM4EHftwINMBm5JsSTRW6hyLy96jWLEH6lxl%2FmLfx0n8Jl%2BFpjd3NVw%2FSmMeb%2BkVOeyf4PufFNn%2FUjjBeyy0zTo0Vidk1br%2B0gZ712YABqtpvCH7H8UD7owTmNLBme4d3un2tU0bbCtfEvdXgft2YI6RvG2uKdOoZP1gfJ6U3C4E4MsyIgP93qBMtn0wW%2B%2BVkWfSMGFBSrKfxysie56vmxAP4darDT6JCGDqxckdmL5Mx4zb3U1Yp5W0FbQivg2CEaLkvVj6fjpmkVEoTLRHljeCzxqdoajTVB1z4eh0YHibNbXDKMx%2BN0%2FDEMLFdMJb0d8YRj7IXe%2Bmc4KYzQOp5%2FC3RpA1E5sfMvObWXIWaraeseek%2F82GUB7LRyGkqf7ammoDeBptMujzTYJm7HwmyNbvh7R9LRK7ZwrZUWtM2tsVtegWuMatSm4GVMm2TnusPGzWmDpIkA1cR65mPa2980mo%2BixRfbl%2BLzGPpw%2FWtl2BQa0aJQFUb4q%2BPGwKZtia3BtkhfLjCjxurNBjqxAdEIYmhbBvMfDglyrrOpFpZD2P2wgr9lPCh4lnW7EfUGib7uEcPcVM3i%2B3aYXbo3HVHB%2F7zAWfsfFGYs54aqyuCrwaIaEckls797Jdaw9EWSNe2FUS7OIO%2FEXFCqFk758Wj8hk7CrjuUzGuCF531bNamx%2BUXmnFCBswkF2ranuBZoRHLY0PK8%2BCFIutrhRZzyYbOo89XlOT2QwdhnOxxIi9kBmB0skFkUftopp0bKV3iyA%3D%3D&X-Amz-Signature=baa24e813d309b6a5ce433b298a3d63dcca2f60724dbd72439e94ccaad1b9bc3&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Fig. 3.

Fig. 4.

Fig. 5.

Fig. 6.

Fig. 7.

Fig. 8.

Results of coercive force measurements
| Container | Material | HcB | Average Hc | Min Hc | Max Hc | Difference | Difference |
|---|---|---|---|---|---|---|---|
| type | A/cm | A/cm | A/cm | A/cm | A/cm | % | |
| 1 | 40HMA | 22 | 17.8 | 16.3 | 18.8 | 2.5 | 13 |
| 40HMA | 22 | 15.8 | 14.5 | 16.9 | 2.4 | 14 | |
| 40HMA | 22 | 15.7 | 14.3 | 16.5 | 2.2 | 13 | |
| 2 | 40HA | 20 | 14.6 | 14.2 | 15.3 | 1.1 | 7 |
| 40HA | 20 | 15.1 | 14.6 | 16 | 1.4 | 9 | |
| 40HA | 20 | 14.8 | 13.7 | 15.7 | 2 | 13 | |
| 3 | 40HA | 20 | 13.5 | 12.8 | 15 | 2.2 | 15 |
| 40HA | 20 | 14.7 | 13.8 | 15.7 | 1.9 | 12 | |
| 40HA | 20 | 14.2 | 13.5 | 14.8 | 1.3 | 9 | |
| 4 | 30HGSA | 24 | 18.5 | 18.1 | 18.9 | 0.8 | 4 |
| 30HGSA | 24 | 18.5 | 18 | 18.9 | 0.9 | 5 | |
| 30HGSA | 24 | 19.1 | 18.8 | 19.5 | 0.7 | 4 |