Solder ability

2017/2/25 22:17:58

I have a project to evaluate solder ability of various metals or plated finish. I'd like to tap in to get some advise. The project is to evaluate solder ability of various metals or plated finishes for RF shield application with reflow. Due to the high corrosion resistance, Cu-Ni alloy is in consideration. There are multiple ways to test solder ability. It seems there is no definitive value to determine the acceptable level in the industry. I guess I will have to run some comparative study with know material such as tin plated. What would you recommend for the best practice or comparison?
1. Dip and look 2. Print paste and solder spread after Reflow 3. Wetting force balance 4. wetting angle
Secondly, I suspect Cu baring metal would tarnish over time and it provides corrosion resistance. At the same time, it also works against solder ability. Therefore, I expect the solder ability would deteriorate over time as tarnish builds up on the surface. I wonder if need to consider this and if so is there a way to accelerate aging for this evaluation? I am thinking about temperature oven and moisture if that makes sense.


2017/2/27 22:17:58

I am a new beginner and looking for good info for study. The posted info is pretty good. I will share it with my friends.


2017/2/27 22:17:58

Marvelous posting.


2017/2/27 22:17:58

Marvelous posting.


2017/2/27 22:17:58

Quite useful and impressive info.Thanks for marvelous posting.


2017/2/27 22:17:58

An interesting post.

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Nicolas Giussani

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