Ask Lemmy
A Fediverse community for open-ended, thought provoking questions
Rules: (interactive)
1) Be nice and; have fun
Doxxing, trolling, sealioning, racism, and toxicity are not welcomed in AskLemmy. Remember what your mother said: if you can't say something nice, don't say anything at all. In addition, the site-wide Lemmy.world terms of service also apply here. Please familiarize yourself with them
2) All posts must end with a '?'
This is sort of like Jeopardy. Please phrase all post titles in the form of a proper question ending with ?
3) No spam
Please do not flood the community with nonsense. Actual suspected spammers will be banned on site. No astroturfing.
4) NSFW is okay, within reason
Just remember to tag posts with either a content warning or a [NSFW] tag. Overtly sexual posts are not allowed, please direct them to either [email protected] or [email protected].
NSFW comments should be restricted to posts tagged [NSFW].
5) This is not a support community.
It is not a place for 'how do I?', type questions.
If you have any questions regarding the site itself or would like to report a community, please direct them to Lemmy.world Support or email [email protected]. For other questions check our partnered communities list, or use the search function.
Reminder: The terms of service apply here too.
Partnered Communities:
Logo design credit goes to: tubbadu
view the rest of the comments
A face grain to face grain joint will usually fail at least partially along the growth rings in the board(s) rather than at the glue joint, yes. But an end grain to end grain joint (which are rarely made for practical reasons) will typically fail at the glue joint.
Wood is kind of a composite material; it's cellulose fibers bound together with a polymer called lignin. PVA wood glue is stronger than lignin but not as strong as the cellulose fibers, so a broken face-to-face joint will break along the weakest, the lignin.
If you edge glue a panel together for say a table top, gluing boards edge-to-edge, that board will be at least as strong as if it was one wide board; it will take at least as much force as a single board to break.
But, if you glue two long boards end to end, it won't be as strong as a single continuous board of the same overall length. It will fail at and along the glue joint, maybe pulling a couple splinters out of one board. Which is why we basically never do that; if a board has to be spliced it's common to add a doubler so there are fibers crossing the joint line.
But yes PVA glue like Titebond is amazingly good at bonding wood.