TWI374088B - - Google Patents

Description

1374088

[Technical Field] The present invention relates to a method of manufacturing a light-emitting device, and more particularly to a fingerprint-resistant galvanized steel sheet having high electrical conductivity and corrosion resistance. [Prior Art] Ο Generally, galvanized steel sheets are widely used in the fields of home appliances, automobiles, and construction. In the production process, many components are subject to the majority of the workers in the process of adding the process. Wei, and get the final shape; however, the sweat and dirt on the worker's hands will form a dazzling on the surface of the part's. Even sometimes it will be too deep to be fixed and will not be able to eliminate the overall aesthetics. Meet the needs of home appliances, automobiles, and construction: In the appearance of the requirements, research and development of fingerprint-resistant steel plate. Referring to Figure 1, the fingerprint-resistant galvanized steel sheet i includes a steel layer u, a galvanized layer 12 plated on the steel layer n, and a resistant to the layer 12+ Membrane 13. The tantalum film 13 is covered on the money layer 12 to protect the zinc mineral layer 12 from being damaged by corrosion. However, such a design is often covered by the anti-corrosion film. Too thick results in a decrease in the electrical conductivity of the plated steel sheet. However, if a small amount of resistance (4) 13 is covered in order to obtain good electrical conductivity, the (4) etching film 13 is easily peeled off and the zinc plating layer 12 is corroded. Therefore, the fingerprint-resistant galvanized steel sheet manufactured by the general practitioner by the hot dip galvanizing method (Galvanized GI method)! For example, when the (4) i3 is coated, the surface roughness of the galvanized layer 12 is usually controlled to be less than or equal to m, and then the film 13 is applied to the galvanized layer 12 with a different film weight. [S] 3 ^/4088 Ο ο After forming on top of the 'so that the customer spit h U. The corpse coat is made of this fingerprint-resistant galvanized steel sheet 1 for salt spray test Ας 79, - SST·72), and after 72 hours, measure its resistance and electrical conductivity to the test results shown in Table 1 below:

The effect of the film weight (g/m2) on the properties of the product is shown in Table 1. When the surface roughness of the plated layer 12 is controlled below 〇4:2, the corrosion resistance is 13 and the weight is at 〇2. ~ 2 4 coffee 2 between the film weight test - can not meet the fingerprint-resistant galvanized steel sheet i, : 旬 生 和 and conductivity, and even when the film weight of the rice film is heavy, the fingerprint is wider The galvanized steel sheet has the poor electrical conductivity, which is why it cannot meet the corrosion resistance and electrical conductivity required by the customer for the fingerprint-resistant steel sheet. As shown in Table 2, the surface roughness of the galvanized layer 22 is 〇5/im, and when the resistance of (10) 23 is over (4) Q2g/m2, the resistance is partially qualified, and the resistance is (4) 23 〇4~2 4g/m2, the fingerprint of the galvanized steel) i 2 is qualified, and the conductivity is not all qualified 'Although the surface roughness of the galvanized layer 22 and (4) the film weight of the film 23 In the dry perimeter, there is still a problem of poor conductivity. Therefore, the number of the film weight of the money-resistant film 23 is subtracted from the number of the surface roughness of the galvanized layer 22, and the difference between the number 2 and the number 3 is between -0.2 and 0.5 as a limit value. The difference between 4 and No. 5 is 〇丨, 〇丨, 〇3, and 〇$, respectively, and all of them exhibit the characteristics that the conductivity is acceptable, and the number 6 of the difference is not qualified. The phenomenon of No. 7 to 12 is not suitable as a fingerprint-resistant galvanized steel sheet 2 because its conductivity is not uniform and is not within the range of the difference. Further, when the surface roughness of the mineral layer 22 is 〇6# m, when the surface roughness of the zinc layer 22 is increased, the film thickness of the resist film 23 of No. 13 is 〇-2g/m2, although it has electrical conductivity. Sexuality, but compared with the number 1 of the surface of the money layer 22 with a rough seam of 0.5 /zm, it is obvious that the phenomenon of poor contact resistance occurs. Therefore, when the surface roughness of the galvanized layer 22 is 〇.6"m with the anti-corrosion film 23 and the film weight is 0.4 to 2.4 g/m2, the corrosion resistance is all acceptable, but the conductivity is not completely qualified, so With the difference between -0.2 and 0·5 as a limit value, the difference between the numbers 14 and 17 is between -0.2 and 0.4, and the corrosion resistance and conductivity are met in this range. The difference of No. 18 is 0.6, which is already greater than the difference range, and its conductivity exhibits a partially qualified situation. Nos. 19 to 24 exhibit a situation in which the conductivity is unacceptable and the difference is too large, and it is not suitable for 1^/4088 as the fingerprint-resistant zinc-zinc steel sheet 2.

The surface roughness is 〇'7//m and 〇.8/zm, respectively, and the membrane weight of the surname film 23 is 〇.4g/m2, although the film weight is in the range of 〇·4~2 〇g/m2. However, its durability is unqualified and partially qualified, and the difference is also less than -0.2. Although the conductivity is acceptable, it is still not suitable as a fingerprint-resistant galvanized steel sheet 2. When the film thickness of the anti-corrosion film 23 is 〇·4~24g/m2, it shows that the corrosion resistance is acceptable 'but not all the conductivity is qualified, and the difference is _〇2~〇5 as a limiting condition, then the number is 3~6. Both the numbers 15 and 18 are qualified for corrosion resistance and electrical conductivity, so they are suitable for the fingerprint mineral zinc steel sheet 2; the conductivity of the numbers γ~12 and the number 19~24 are partially qualified and unqualified, and the difference is The values are all greater than 0.5, so it is not suitable as a fingerprint-resistant galvanized steel sheet 2. 10 1374088

When the surface roughness is 〇.9"m # l.0/zm, the film weight of the residual film 23 is increased to 〇.8g/m2, and the qualified corrosion resistance is exhibited, indicating that the resistance is small. The durability of the steel sheet 2 is that as the surface roughness increases, it is required to match the heavier corrosion-resistant film 23 film weight W to maintain the corrosion resistance, and the weather resistance month & When the membrane weight is 0.8~2 in the range of 2.4g/m2, the gluten-resistant surname is qualified, and the γ-day is guided by the thunder, and the fineness is 5丨, and the conductive part is partially qualified. And the unqualified male f' is further matched with the difference ΰ·2~G.5 as a qualification condition, then the number is 4~7. =:~19 are both resistant to pureness and conductivity, so it is suitable as a buckle resistance. Galvanized steel sheet 2; and number 8~12盥', and flat 20~24 guide material 3 is now partially qualified and not in the same situation, people ^ and the difference is greater than 0.5, it is not suitable as fingerprint resistant plating Reprinted steel sheet 2. , [S] 11 1374088 iC ~ 1.1 um Surface Thickness = 1·2 /zm No. Resistant film weight (g/m2) Corrosion resistance 电·Electrical difference* No. Corrosion film weight (g/m2 Corrosion resistance conductivity difference * Comparative Example 1 U.2 X 〇-0.9 Comparative Example 13 0.2 X 〇-1.0 Comparative Example 2 0.4 ^ X 〇 - 〇 - 0.7 Comparative Example 14 0.4 X 〇 - 0.8 Comparative Example 3 0.6 x ~~ -0.5 Comparative Example 15 0.6 X 〇-0.6 Comparative Example 4 Uo X -0.3 Comparative Example 16 0.8 Δ 〇-0.4 Example 5 1.0 ^ 〇-0.1 Example 17 ΤΓ 1.0 〇〇-0.2 Example 6 1.2 〇〇 0.1 Example 1.2 〇〇〇 Example 7 1.4 〇~~〇~~ 0.3 Example 19 1.4 〇〇0.2 Example 8 0.5 Example 20 1.6 〇〇0.4 Comparative Example 9 1 .〇Γ 〇------ -- 〇 △ 0.7 Comparative Example 21 1.8 〇 Δ 0.6 Comparative Example 10 2.0 ^ X 0.9 Comparative Example 22 24 2.0 〇X 0.8 Comparative Example 11 2.2 〇X 1.1 Comparative Example---- 2.2 2.4 〇X 1.0 Comparative Example 12 2.4 ^ 1-3 | Comparative Example X 1.2

Table 5 The surface roughness of the key layer is 1.1 // m and 1.2 " m * The surface roughness of the forged zinc layer 22 is 1·1βπι and 1.2ym, number 2~4, and number 17~2〇 Although the corrosion resistance of the resistive film 23 is in the range of ~.Og/m and the conductivity is acceptable, the difference is less than _〇2,] 'is outside the limited range' so that the corrosion resistance is still unacceptable. In the numbers 5 to 8 and the numbers 17 to 20, the difference is between -0.2 and 0.5, and both the guide and the purity are acceptable. The difference between No. 9~12 and No. 21~24 is greater than G.5, and its conductivity is partially qualified and unqualified, although the durability is °°, but it is still not suitable as a fingerprint-resistant galvanized steel sheet 2. 1374088

1.3^111 and 1.4min m, and when the surface roughness of the galvanized layer 22 is between 0 and 20.5, the film weight of the resist film 23 is at I·

No. 6 to 9 and No. 18 to 21 between 1.8 g/m2 are in compliance with the limited range and have acceptable corrosion resistance and electrical conductivity, so they are suitable for use in the production of fingerprint-resistant steel sheet 2. The remaining numbers are 2 to 5, number 1 〇, number i3 to i7, and number 22, and the difference is not between _〇.2~〇·5, although the film weight of the anti-corrosion film 23 is 0.4 to 2.0 g. Under the limited conditions between /m2, there is still a phenomenon that the corrosion resistance is unacceptable or the conductivity is unqualified. No. 1, No. 1, No. 12, No. 13, No. 23, and No. 24, the film weight of the cut-resistant film 23 is not between 0.4 and 2.0 g/m2, and the corrosion resistance or conductivity is also unsatisfactory. As a fingerprint-resistant key steel sheet 2. S S3 13 1374088

The surface roughness of the rhodium layer of Table 7 is 1 5 " m and ι.6 μ m. When the surface roughness of the galvanized layer 22 is, the surface roughness is still in the range of G.5~l_5^m. Between the conditions, with the number 7~10, the film thickness of the anti-corrosion film 23 is 〇4~2 〇g/m2, and the difference 〇 is between _0.2~0.5, indicating that both corrosion resistance and electrical conductivity are To be qualified. However, the numbers 11 and 12 are clearly beyond the difference and the limiting conditions of the anti-corrosion film 23, and although they are resistant to narration, they are not conductive. When the surface roughness of the plating layer 22 is 16 / / m, the limit condition of the surface roughness is between 〇 · 5 °, even if the film weight of the corrosion resistant film 23 is 0.4 to 2.0 g / Between m2, and the difference is between _〇2~〇5. If the number 19~22 still shows that the resistance part is qualified, and the conductivity part is qualified, it is not suitable as fingerprint-resistant galvanizing. Steel sheet 2 f S] 14

Claims (1)

1374088 VII. Patent application scope: 1. A fingerprint-resistant steel plate with high electrical conductivity and corrosion resistance, comprising: a steel layer; a galvanized layer, plated on the steel layer, and the galvanized layer a surface roughness of 0.5 to 1.5 / zm; and a corrosion resistant film covering the plating layer, and the film weight of the corrosion resistant film is 0.4 to 2.0 grams per square meter; Wherein, the number of the film weight of the resist film is subtracted from the surface roughness of the plated layer, and the difference between the two is not less than -0.2 and not more than 0.5. IS3 17