Alloy-4J29 kii ṣe agbara imugboroosi gbona nikan iru si gilasi wipe o le ṣe nigbagbogbo lati baamu gilasi kan, nitorinaa gba to peye lati faramo iwọn iwọn otutu pupọ. Chemically, o awọn iwe ifowopamo si gilasi nipasẹ Layer amurin-agbedemeji ti afẹfẹ afẹfẹ ati ohun elo afẹfẹ clobel; Iwọn ti ohun elo afẹfẹ jẹ kekere nitori si idinku rẹ pẹlu iho. Agbara idamu jẹ ti o gbẹkẹle igbẹkẹle gigale ati ohun kikọ. Niwaju Chabed jẹ ki o rọrun lati yo ki o tu ninu gilasi dilete. A grẹy kan, grẹy-bulu tabi awọ alawọ-brown ṣe afihan edidi ti o dara kan. Awọ alumọni ti fadaka kan tọka ailopin ti ategun, lakoko ti awọ dudu tọka si irin ti oxidized laisi awọn ọran mejeeji ti o yori si isẹpo alailagbara kan.
Ohun elo:O kun a lo ninu awọn ohun elo idọti ina ati iṣakoso Idawọle, Flagne Class, Awọn ipin-din, karatis ati efin ile miiran.
Iwọn deede%%
Ni | 28.5 ~ 29.5 | Fe | Ab. | Co | 16.8 ~ 17.8 | Si | ≤0.3 |
Mo | ≤0.2 | Cu | ≤0.2 | Cr | ≤0.2 | Mn | ≤0.5 |
C | ≤0.03 | P | ≤0.02 | S | ≤0.02 |
Agbara Tensele, mpa
Koodu ti majemu | Ipo | Okun | Rin |
R | Rirọ | ≤585 | ≤570 |
1 / 4i | 1/4 lile | 585 ~ 725 | 520 ~ 630 |
1/2 | 1/2 lile | 655 ~ 795 | 590 ~ 700 |
3/4 | 3/4 lile | 725 ~ 860 | 600 ~ 770 |
I | Lile | ≥850 | ≥700 |
Iwuwo (g / cm3) | 8.2 |
Elekitiro itanna ni 20ºC (ωmm2 / m) | 0.48 |
Alaye iwọn otutu ti cagiri (20ºC ~ 100ºC) x10-5 / ºC | 3.7 ~ 3.9 |
Clie aaye TC / ºC | 430 |
Celulus rirọ, E / GPA | 138 |
Alafarabalẹ ni imugboroosi
θ / ºC | α1 / 10-6ºC - 1 | θ / ºC | α1 / 10-6ºC - 1 |
20 ~ 60 | 7.8 | 20 ~ 500 | 6.2 |
20 ~ 100 | 6.4 | 20 ~ 550 | 7.1 |
20 ~ 200 | 5.9 | 20 ~ 600 | 7.8 |
20 ~ 300 | 5.3 | 20 ~ 700 | 9.2 |
20 ~ 400 | 5.1 | 20 ~ 800 | 102 |
20 ~ 450 | 5.3 | 20 ~ 900 | 11.4 |
Iwari igbona
θ / ºC | 100 | Ọkẹkọọkan | 300 | 400 | 500 |
λ / w / (m * ºC) | 20.6 | 21.5 | 22.7 | 23.7 | 25.4 |
Ilana itọju ooru | |
Aaye fun iderun wahala | Kikan si 470 ~ 540ºC ati mu 1 ~ 2 H. Tutu ni isalẹ |
igbaya | Ni igbale ki o gbona si 750 ~ 900ºC |
Dani akoko | 14 iṣẹju ~ 1h. |
Oṣuwọn itutu agbaiye | Ko si ju 10 º / min tutu si 200 ºC |