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=ASIA6AP2G7AKDJI6IUCI%2F20260131%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260131T160905Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaDGV1LWNlbnRyYWwtMSJHMEUCIQDXsp1mnnJ8b4CEb63e%2BV6Fxr09gLgDyc8XgnnFtOmrxgIgZv2XeSLMEV4DuobpmNA7850GOMdpAc7PjecsPT026WoqxgUItP%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARACGgw5NjMxMzQyODk5NDAiDEUhXvz%2BZM4wMkHyrCqaBZJp79GdX7BC3L2C9pL6iJbtQQCoMW9OrvqIibW7Xi%2FF7d3LrbHXWlbeIKsqzS0iCJdCbGHF%2F0LuVtvqdqIGDrLPkGE6JXMSp3ROF2JhyQCBIs%2Fx9LofZdpxu8M3Eip9Zb9qSPE1eHMZGiXjMD4AcUMBZBBxSYoXQ0FHsiT0rWn3PwdQOp0vnGWjq%2Bms4ldOWiZuINwNhecNYZNTMVrnVYBvqAkvnbzZbBtqEXus%2BJRa%2FA2hC3NWX4eWEFgrNuA84HnCf6c60cmbHIMmCJkBCjHSWSZNl9zYlLPZMHFzah%2BGGlXwNsy4w2kBLA0HasoJWSuFNiKbAGbXQ4bqdFK4YB%2Fxc6JroNUIygMGna40cFn7q36ihIplh%2Bcrvs5KU%2BNBeGg4YRez%2BDCG%2BIJlVNh1ghRmyJmRFGSRKXcQ6pVfwS4bLT4PtMHNSmjwFa6Lh%2FjGcqD1RaqgfMbdJmTbXMBpjMwYYV8SnLC4eBUBfhpHkp%2BIPOQfNEkA1saTNgl0kkLL%2BT2ioA0C5v48Dw6UNg82fEm1kb41gY%2BowX%2BVN71ynh7LWa1ImKuVkpy4vL1LRPAuZQniIuaerQZqtdtH7TJ1rpMbfHqgHZg6EdDjEc7r3NIlMsohV4FVFrWtXJLcc%2FzUI1JY54zLIqVHLkD6gsHwVQPWaaBDwLmKVDBj8CuWFanK70HNB0SN0%2FAHD2NwvSLXYnD7NfLn%2FqCyC31J8PeB2Yf2fq8OccccmwExjktpzazbfE03yG3sStjm1sKMBmEIo7zzGInOr1wBOT4nJTTA55Ruhcs2K97tPJJd3osIWHVVsqjj0KWFMwZt0pEyun6CNIxBa7GaQnT%2BK70XJ2ym4HGK14KOnFH9X%2FRbZoND4A7FNj8W4sDkeHglGTD4yPfLBjqxAVdOM7xc7fojGH%2B43sfap09A9t9zdo%2BjmnMQdPLfaOZAKGQSPLYpZv%2FgZj58kf55GuRo%2FG1X%2BfiHeeS1zjbu29eO8fdVH7IUvz%2F4WOJHbJBRhvpVMUgk4NIxnhmXpsDyIPgeGO4JCIaur6hK4rn6vFO8CB7CXbXWrEUldr%2B1ML0rOtnCY9PMSBK9M2rHcx76sj%2BUkXrKrdZ0%2B%2FwRtHXqJCNViTtKEOm5bXqRvCApu4v6zw%3D%3D&X-Amz-Signature=32ff9f8515504445869d5bbf0bce84467578761b51fe25a05f31663cc2c1dd59&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=ASIA6AP2G7AKDJI6IUCI%2F20260131%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260131T160905Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaDGV1LWNlbnRyYWwtMSJHMEUCIQDXsp1mnnJ8b4CEb63e%2BV6Fxr09gLgDyc8XgnnFtOmrxgIgZv2XeSLMEV4DuobpmNA7850GOMdpAc7PjecsPT026WoqxgUItP%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARACGgw5NjMxMzQyODk5NDAiDEUhXvz%2BZM4wMkHyrCqaBZJp79GdX7BC3L2C9pL6iJbtQQCoMW9OrvqIibW7Xi%2FF7d3LrbHXWlbeIKsqzS0iCJdCbGHF%2F0LuVtvqdqIGDrLPkGE6JXMSp3ROF2JhyQCBIs%2Fx9LofZdpxu8M3Eip9Zb9qSPE1eHMZGiXjMD4AcUMBZBBxSYoXQ0FHsiT0rWn3PwdQOp0vnGWjq%2Bms4ldOWiZuINwNhecNYZNTMVrnVYBvqAkvnbzZbBtqEXus%2BJRa%2FA2hC3NWX4eWEFgrNuA84HnCf6c60cmbHIMmCJkBCjHSWSZNl9zYlLPZMHFzah%2BGGlXwNsy4w2kBLA0HasoJWSuFNiKbAGbXQ4bqdFK4YB%2Fxc6JroNUIygMGna40cFn7q36ihIplh%2Bcrvs5KU%2BNBeGg4YRez%2BDCG%2BIJlVNh1ghRmyJmRFGSRKXcQ6pVfwS4bLT4PtMHNSmjwFa6Lh%2FjGcqD1RaqgfMbdJmTbXMBpjMwYYV8SnLC4eBUBfhpHkp%2BIPOQfNEkA1saTNgl0kkLL%2BT2ioA0C5v48Dw6UNg82fEm1kb41gY%2BowX%2BVN71ynh7LWa1ImKuVkpy4vL1LRPAuZQniIuaerQZqtdtH7TJ1rpMbfHqgHZg6EdDjEc7r3NIlMsohV4FVFrWtXJLcc%2FzUI1JY54zLIqVHLkD6gsHwVQPWaaBDwLmKVDBj8CuWFanK70HNB0SN0%2FAHD2NwvSLXYnD7NfLn%2FqCyC31J8PeB2Yf2fq8OccccmwExjktpzazbfE03yG3sStjm1sKMBmEIo7zzGInOr1wBOT4nJTTA55Ruhcs2K97tPJJd3osIWHVVsqjj0KWFMwZt0pEyun6CNIxBa7GaQnT%2BK70XJ2ym4HGK14KOnFH9X%2FRbZoND4A7FNj8W4sDkeHglGTD4yPfLBjqxAVdOM7xc7fojGH%2B43sfap09A9t9zdo%2BjmnMQdPLfaOZAKGQSPLYpZv%2FgZj58kf55GuRo%2FG1X%2BfiHeeS1zjbu29eO8fdVH7IUvz%2F4WOJHbJBRhvpVMUgk4NIxnhmXpsDyIPgeGO4JCIaur6hK4rn6vFO8CB7CXbXWrEUldr%2B1ML0rOtnCY9PMSBK9M2rHcx76sj%2BUkXrKrdZ0%2B%2FwRtHXqJCNViTtKEOm5bXqRvCApu4v6zw%3D%3D&X-Amz-Signature=757ee0192005dc852a8e7a3a63b25ee539947bdb7455ad9b45589d2df97e3769&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 |