| 摘要 |
<p>The beam (10) has paint strips (16) with a liquid or solid product mixed with a paint. The product has a melting temperature equal to or higher than a melting temperature of aluminum constituting the beam. Quantity of the mixed product ranges between 2-3 percentages of total weight of the beam for reducing melting of the aluminum obtained after re-melting of the beam. The product is in the form of metal powder e.g. iron powder, mineral particles e.g. glass fibers or beads, or is made of organic/composite material.</p> |
