63/37 solder is eutectic, meaning it has no plastic phase whatsoever. So either you’re confusing the two or the 63/37 is fake.
Erm, to be pedantic, no. Eutectic means that there is a sudden, well defined transition from the liquid to the solid phase at a specific characteristic temperature, with no temperature where there is an intermediate interphase state where there is both solid and liquid present (and possibly vapour too). The solid phase, for both eutectic and non-eutectic alloys still exhibits plasticity (and elasticity too for that matter). There's more to eutectics than this (like melting point) if one wants to be truly pedantic but I'm concentrating on the most notable characteristic of a Tin-Lead eutectic and it's the use of the phrase 'plastic phase' here that I find problematic enough to moan about.You are being pedantic for sure, but you’re also wrong. The plastic phase doesn’t refer to the plasticity of the solid phase. It refers to the slushy “interphase state”. I didn’t invent the term “plastic phase”, it’s the term ordinarily used in the solder industry to refer to said state. So if you’re going to argue with me about it, you’ll also have to argue with the entire industry...
Besides soldering to silver plated terminations, it is also useful where extra strength is required; it is the strongest of the low temperature SnPb alloys and several times stronger than Sn63Pb37 or Sn60Pb40. It should also wet better.
That is interesting, I’ll have to remember that.
Are you wiping down with a simple cloth or with something else?
Besides soldering to silver plated terminations, it is also useful where extra strength is required; it is the strongest of the low temperature SnPb alloys and several times stronger than Sn63Pb37 or Sn60Pb40. It should also wet better.
That is interesting, I’ll have to remember that.
I have sometimes used it on printed circuit board mounted connectors and mechanical assemblies for exactly that reason.Are you wiping down with a simple cloth or with something else?
I usually use a napkin or paper towel.
Are you wiping down with a simple cloth or with something else?
I usually use a napkin or paper towel.
If you're prepared to go to the expense lint-free wipes such as AF Safetiss or the ubiquitous KimWipe are the thing to use.
63/37 solder is eutectic, meaning it has no plastic phase whatsoever. So either you’re confusing the two or the 63/37 is fake.
Erm, to be pedantic, no. Eutectic means that there is a sudden, well defined transition from the liquid to the solid phase at a specific characteristic temperature, with no temperature where there is an intermediate interphase state where there is both solid and liquid present (and possibly vapour too). The solid phase, for both eutectic and non-eutectic alloys still exhibits plasticity (and elasticity too for that matter). There's more to eutectics than this (like melting point) if one wants to be truly pedantic but I'm concentrating on the most notable characteristic of a Tin-Lead eutectic and it's the use of the phrase 'plastic phase' here that I find problematic enough to moan about.You are being pedantic for sure, but you’re also wrong. The plastic phase doesn’t refer to the plasticity of the solid phase. It refers to the slushy “interphase state”. I didn’t invent the term “plastic phase”, it’s the term ordinarily used in the solder industry to refer to said state. So if you’re going to argue with me about it, you’ll also have to argue with the entire industry...
Solder salesmen might call it 'plastic' but I'll bet that their metallurgists don't as 'plastic' has a very specific meaning in metallurgy - it's the region on a stress/strain curve where a material goes from the elastic region to where it exhibits permanent deformation (and ultimately failure) with applied stress. I think that you, and the solder salemen, are getting confused with terminology, or just being lax with it. Non eutectic alloys have what is known as a plastic melting range (behaviour that we're all familiar with, heat metal, it gets soft and plastic) where liquid and solid phases co-exist, but eutectic alloys do not exhibit a plastic melting range (this by the way is why some eutectic alloys are used for set points on some temperature scales). A melting range is not the same thing as a phase which is characterised by a state of matter, solid, liquid or gas (not solid, liquid, gas and plastic) hence the term interphase to describe when a mixture of phases exists. So, plastic melting range I would happily give you, but not plastic phase. Yes, this is now very pedantic but it's right.
By coincidence, or perhaps not, the most annoyingly pedantic man I have ever known, and used to share a flat with, Clive, was by training and trade a metallurgist. That's where I initially learned most of this mental clutter from.
Yes, in a phase diagram, it’d be most accurately called a plastic region. Don’t confuse “lax” or “confused” with the understanding that a scientifically precise usage and an everyday usage of a word aren’t the same thing. You will never win someone over by denying or rejecting the existence of the everyday usage, or by calling out someone choosing to use it.
So, what has this thread gained by your tirade on this issue? Nothing. You’ve flexed your brain nuts, we get this. So what? All you accomplished was to bury the actual point I was making to tkamiya. So thanks for that...
I have heard high praise for solder from Multicore but never got to use it myself. I guess Loctite owns them now.
Yes, in a phase diagram, it’d be most accurately called a plastic region. Don’t confuse “lax” or “confused” with the understanding that a scientifically precise usage and an everyday usage of a word aren’t the same thing. You will never win someone over by denying or rejecting the existence of the everyday usage, or by calling out someone choosing to use it.
So, what has this thread gained by your tirade on this issue? Nothing. You’ve flexed your brain nuts, we get this. So what? All you accomplished was to bury the actual point I was making to tkamiya. So thanks for that...
I admitted up front, and made it quite explicit I was being pedantic, and quite obviously it was done to attempt to add some precision to what you were saying.
That you choose to treat what I've said as, and I quote, "a tirade" is entirely down to you. You were the one who chose to tell me "You are being pedantic for sure, but you’re also wrong", (did you really expect that not to garner a response) without that I'd have had nothing more to say on the subject and I did stick to the subject, I didn't start attacking you. It would appear to be your desire to be seen as 'the most right' and/or 'the most knowledgable' that pushed this on, and when you're finally proved wrong you start blaming me for derailing the thread and using the word "tirade". Look it up in the dictionary*, for a linguist you've a poor grasp on the word's meaning as it's quite clear that what I've had to say isn't a tirade, angry by definition . Either that or you are deliberately misrepresenting my behaviour in an attempt to be provocative.
Note that you are the one who has shifted from discussion of the matter at hand, the properties of solder, to attacking my behaviour. You're adding heat, but no light, to the conversation. With all that in mind, I don't intend to engage you any further on the subject beyond this defence of myself, lest I too become guilty of the same. Knowledgeable of my own weaknesses, in particular that I'm likely to pointlessly respond to you if you continue your diatribe, I'm hitting the 'ignore thread' button.
* tirade | tʌɪˈreɪd, tɪˈreɪd |
noun
a long, angry speech of criticism or accusation: a tirade of abuse.
ORIGIN
early 19th century: from French, literally ‘long speech’, from Italian tirata ‘volley’, from tirare ‘to pull’.
60/40 "Ersin Multicore Solder" is God's own solder and I'll fight anyone who says different.
Seriously, you won't find Kesler in the UK without parting with an arm or a leg. Good old British "Multicore" brand is the old reliable but is nowadays sold under the Loc-Tite brand.