阅读说明：本技术 悬浮熔化过程 (Suspension melting process ) 是由 索吉斯·斯比坦斯 亨利克·法兰兹 比约恩·谢林 马克斯·霍兹 于 2019-04-18 设计创作，主要内容包括：本揭露涉及一种以悬浮熔化过程生产铸造体的方法,其中通过具有多个预分离装料的起始材料,将一导电材料的一装料带入至少一个交变电磁场的影响范围内,并且预分离的装料是由减小的横截面的多个区域所分隔开,以使装料保持在悬浮状态。这些区域设计成使得预分离装料不为脱离的,直到交变电磁场中的熔化过程期间。然后,将熔体浇铸到铸模中。(The disclosure relates to a method for producing cast bodies in a suspension melting process, wherein a charge of electrically conductive material is brought into the influence range of at least one alternating electromagnetic field by means of a starting material having a plurality of pre-separated charges, and the pre-separated charges are separated by regions of reduced cross-section in order to keep the charges in suspension. These zones are designed so that the pre-separated charge is not detached until during the melting process in the alternating electromagnetic field. The melt is then cast into a mold.)

1. A suspension melting method for manufacturing a cast body by suspension melting a conductive material, comprising:

-introducing a lowest batch (1) of a starting material for a plurality of batches (1) into the influence range of at least one electromagnetic alternating field, wherein the starting material is an electrically conductive material having a plurality of pre-separated batches (1) separated by regions of reduced cross-section (reduced cross-sections) and the regions are designed such that the separation of the pre-separated batches (1) takes place only during melting in the electromagnetic alternating field;

-melting the batch (1);

-lifting (lifting) the remaining unmelted starting material from the batch (1) melted in a suspended state;

-overheating the suspended batch (1);

-placing a mould in a filling area under the suspended batch (1);

-the batch (1) is cast entirely into the mould; and

-removing a solidified cast body from the mould.

2. The suspension melting method according to claim 1, wherein the batch material (1) is introduced into the alternating electromagnetic field such that induced eddy currents reach a maximum.

3. The suspension melting method according to claim 1 or 2, wherein the starting material for a plurality of batches (1) consists of a cylindrical rod having a plurality of regions along its longitudinal axis with a reduced cross-section (non-reduced cross-section), wherein each region with a non-reduced cross-section (non-reduced cross-section) corresponds to the amount of material of one batch (1).

4. The suspension melting method according to any one of claims 1 to 3, wherein in the starting material for batches (1), the cross-section between batches (1) is reduced to an extent and/or the regions with reduced cross-section are sufficiently long that eddy currents induced in the batch (1) and at an electromagnetically alternating field are confined to an extent such that adjacent batches (1) do not melt together with the batch (1).

5. The suspension melting process according to any one of claims 1 to 4, wherein the plurality of zones of reduced cross-section of the starting material for a plurality of batches (1) are dimensioned such that they have a mechanical load-bearing capacity sufficient to bear the respective weight of the starting material.

6. The suspension melting method according to any one of claims 1 to 5, wherein in the starting material for batches (1), the heat conduction of the zones with reduced cross-section is sufficiently low that when one batch (1) melts, its adjacent batch (1) does not melt with it.

7. The suspension melting method according to any one of claims 1 to 6, wherein the conductive material comprises at least one metal from the following group: titanium, zirconium, vanadium, tantalum, tungsten, hafnium, niobium, rhenium, molybdenum, nickel, iron, aluminum.

8. The suspension melting process according to claim 7, wherein the proportion of the metal is at least 50% by weight, in particular at least 60% by weight or at least 70% by weight of the electrically conductive material.

9. The suspension melting process according to any one of claims 1 to 8, wherein the conductive material is titanium or a titanium alloy comprising aluminum titanium (TiAl) or vanadium aluminum titanium (TiAlV).

10. The suspension melting method according to any one of claims 1 to 9, wherein the conductive material is used in a powder form.

11. The suspension melting method according to claim 10, wherein the starting material for a plurality of batches (1) is manufactured by pressing and/or sintering with a binder.

12. The suspension melting process according to any one of claims 1 to 11, wherein the conductive material is superheated to a temperature of at least 10 ℃, at least 20 ℃ or at least 30 ℃ above the melting point of the conductive material during melting.

13. A starting material for a suspension melting process using an electrically conductive material, wherein the starting material has pre-separated batches (1) separated by regions of reduced cross-section, wherein the pre-separated batches (1) are separated only during melting in an electromagnetic alternating field.