PL7003B1 - The method of welding cast iron. - Google Patents
The method of welding cast iron. Download PDFInfo
- Publication number
- PL7003B1 PL7003B1 PL7003A PL700325A PL7003B1 PL 7003 B1 PL7003 B1 PL 7003B1 PL 7003 A PL7003 A PL 7003A PL 700325 A PL700325 A PL 700325A PL 7003 B1 PL7003 B1 PL 7003B1
- Authority
- PL
- Poland
- Prior art keywords
- cast iron
- welding
- welding cast
- silicon
- self
- Prior art date
Links
- 238000003466 welding Methods 0.000 title claims description 9
- 229910001018 Cast iron Inorganic materials 0.000 title claims description 5
- 238000000034 method Methods 0.000 title claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Description
Dotychczas nie istnieje sposób spawa¬ nia zeliwa, któryby dawal rezultaty zada¬ walajace, pomimo, ze spojenie dwóch ka¬ walków ze soba tak, aby wytrzymalosc na zlamanie w miejscu spojonem pozostala nienaruszona, posiada nadzwyczaj donio¬ sle znaczenie. Srodki stosowane zwykle do spawania w danym wypadku nie daja sie zastosowac, gdyz w rezultacie otrzymu¬ je sie w miejscach spojenia materjal u- twardzony i kruchy.Hartowanie to nastepuje dzieki temu, ze czesc stopiona podczas spawania, szyb¬ ko krzepnie i zamiast zeliwa surowego, ja¬ kie bylo uprzednio, powstaje w miejscu spawanem kruchy stop, podobny do zeliwa twardego.Wynalazek polega wiec na tern, ze spa¬ wanie uskutecznia sie na drodze elek¬ trycznej lub samospawania, zapomoca pretów zawierajacych 0,1 — 15,0% glinu lub 3,0—15,0% krzemu. W ten sposób u- daje sie, przez odpowiednie miarkowanie zawartosci glinu lub krzemu w precie, za¬ leznie od wielkosci miejsca spawanego, o- trzymac strukture scisle okreslona. Prety zawierajace glin maja te wyzszosc, ze przewodza cieplo lepiej i wogóle dzialajaskuteczniej; prety zas, zawierajace krzem, prety zawierajace od 0,1% do 15,0^ gli- sa natomiast tansze. nu lub od 3% do 15,0% krzemu. PL PLHitherto there is no method of welding cast iron which gives satisfactory results, although the bonding of two blocks to each other so that the in-place fracture strength remains intact is of extremely important importance. The means usually used for welding are not applicable in this case, as the result is a hardened and brittle material at the joints. This hardening occurs because the part melted during welding solidifies quickly and instead of crude cast iron As before, a brittle alloy is formed where welded is, similar to hard cast iron. The invention therefore consists in the fact that the welding is performed by electric or self-welding, using rods containing 0.1 - 15.0% aluminum or 3.0-15.0% silicon. In this way, by appropriately measuring the content of aluminum or silicon in the rod, depending on the size of the welded area, it is possible to maintain a precisely defined structure. Alumina prets have the advantage that they conduct heat better and are generally more effective; On the other hand, bars containing silicon, bars containing from 0.1% to 15.0 ^ of glium are cheaper. nu or 3% to 15.0% silicon. PL PL
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL7003B1 true PL7003B1 (en) | 1927-04-30 |
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