CHEM-E0120 - An Introduction to Wood Properties and Wood products, Lecture, 13.9.2021-15.12.2021
Kurssiasetusten perusteella kurssi on päättynyt 15.12.2021 Etsi kursseja: CHEM-E0120
Osion kuvaus
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Here you will find all materials related to the course
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Lecture 1: Introduction TiedostoPdf-tiedostoIn the slide set you can find information about:•What is the course about?•Structure of course•Passing the course•Who is involved?•Some practical issues•Introduction to wood and wood-based products
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Lecture 1 video collection Keskustelualue
Here you will find a series of short videos relating to the first lecture. The videos cover the following content:
- Background and administrative aspects
- Wood and wood products: history application and wood as a material
- Wood products
- Wood: a climate smart option
1. Background and administrative aspects.
2. Wood and wood products: history application and wood as a material
3. Wood products
4. Wood: A Climate Smart Option -
Lecture 2: Wood structure and anatomy TiedostoPdf-tiedosto
In today's session, we will cover the topics listed below. To join the session in Zoom, please follow this link: https://aalto.zoom.us/j/65131932601
- Making trees: photosynthesis
- Tree types & characteristics
- Macroscopic structure of wood
- Structural features and their effect on properties
- Microstructure
- Cell types
- Wood structure
- Making trees: photosynthesis
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Lecture 2: Video collection Keskustelualue
Here you will find a series of videos from relating to the lecture on Monday 20th September. Hope that these help!
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Lecture 3: Wood anatomy TiedostoPdf-tiedostoIn this session we will cover the topics listed below. To join the class, please follow this link: https://aalto.zoom.us/j/62172123992Topics:
- The relationship between the technical properties of wood and its anatomy
- More on cell types and characteristics
- Softwood microstructure
- Hardwood microstructure
- Reaction wood
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Lecture 3: Video collection Keskustelualue
Here you will find a series of two videos to accompany the third lecture on the anatomy of wood!
1. Wood characteristics and cells
2. Softwood and hardwood anatomy and reaction wood
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Lecture 4: Wood structure III: Cell wall composition & ultrastructure TiedostoPdf-tiedostoIn this session we will explore the ultimate structure of wood - the basis for most of wood's behavior! To join the class, please use this link: https://aalto.zoom.us/j/67387645803
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Lecture 4: video collection Keskustelualue
Here you will find a series of three videos to accompany the fourth lecture focusing on the composition and structure of the cell wall
1. Basic (chemical) composition
2. Characteristics of cellulose, hemicellulose and lignin
3. The microfibril and cell wall structure
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Lecture 5: Wood & water TiedostoPdf-tiedosto
In this session, will begin to look at how wood interacts with water! To join the class, please follow the link: https://aalto.zoom.us/j/65511654367
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Lecture 5 video collection Keskustelualue
Here you will find two videos to accompany the lecture 5 slides. The first video relates to basic concepts about wood and water and the second focusses on fiber saturation point and moisture sorption.
1. Basic concepts
2. FSP and moisture sorption
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Lecture 6: Wood, water and dimensional stability TiedostoPdf-tiedosto
In this session, we will continue to explore the relationship between wood and water and will cover the topics listed below. To join the class, please use this link: https://aalto.zoom.us/j/63784574014
Topics covered:
•Changes in relative humidity•The kinetics of sorption and sorption isotherms•Dimensional changes in wood (movement)•Swelling & shrinkage anisotropy•Impact on wood products -
Lecture 6: video collection Keskustelualue
Here you can find two videos relating to the dimensional changes wood undergoes when moisture is lost or gained during sorption.
1. RH, sorption and the origins of dimensional changes
2. Anisotropic dimensional changes, movement and its consequences
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Lecture 7: Material properties I TiedostoPdf-tiedosto
In this session, we will take a look at some of the physical properties of wood and how they can be used to good effect in sustainable construction. The topics covered are listed below and to join the class, please use this link: https://aalto.zoom.us/j/65402440136
Topics covered:•Moisture buffering•Heat of sorption•Density•Mass-volume relationships•Thermal properties•Acoustic properties -
Lecture 7: video collection Kansio
Here you will find two videos relating the lecture on material properties. The first video covers moisture buffering and heat of sorption, whilst the second delves into the physical and thermal properties of wood.
1. Moisture buffering & heat of sorption
2. Physical and thermal properties
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Lecture 8: Material properties II TiedostoPdf-tiedosto
In this session, we will take a look at some of the short-term mechanical properties of wood. The topics covered are listed below and to join the class, please use this link: https://aalto.zoom.us/j/68603208788
Topics covered:•Mechanical properties•Elastic properties of wood and influence of structure•Strength and failure in wood•Defects and their effect on the properties of wood -
Lecture 9: Material properties III TiedostoPdf-tiedosto
In this session we will cover the topics of:
•Toughness of wood: why wood is a good engineering material
•Long-term mechanical behavior: creep and fatigue
To join the class, please follow this link: https://aalto.zoom.us/j/61650227254 -
Wood and resource-efficiency TiedostoPdf-tiedosto
Please find the slides from class on 18.10.2021 here.
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Indoor air quality TiedostoPdf-tiedosto
In this session Dr Hannu Viitanen will talk about indoor air quality and the influence of wood on this. To join the session, which starts at 10:15, please use this link: https://aalto.zoom.us/j/64152242319
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Decay, pests and prevention TiedostoPdf-tiedosto
In this session, Dr Hannu Viitanen will give his perspectives on the topics listed below. To join class, please use this link: https://aalto.zoom.us/j/69571171244
- Wood as a building material – use conditions and service life
- Moisture stress and bio-deterioration of wood
- Durability of wood and wood based materials
- Methods for wood protection (coating, modification - chemical / physical, preservation, pressure treatments & coated plywood products)
- How to achieve 100 year’s service life for buildings?
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Sawnwood and veneer-based products TiedostoPdf-tiedosto
In this session, we will look at how sawn wood and veneer-based panels are manufactured. To join the class, please use this link: https://aalto.zoom.us/j/62351834816
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Veneer and veneer-based products TiedostoPdf-tiedosto
Here you will fond some additional material relating to the production on plywood and other veneer-based materials. This article can be found in: Wood Composites, 1st Edition, edited by M Ansell. Published by Woodhead Publishing, 2015. (Print Book ISBN: 9781782424543).
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Wood-based panels TiedostoPdf-tiedosto
In this session we will cover the topics listed below. To join the class, please use this link: https://aalto.zoom.us/j/66759896944
Topics to be covered:
- An overview of the manufacture of dry-formed wood-based panels (particleboard, MDF, OSB), using particleboard as an example
- Introduce how the parts of the process affect the panel board properties
- Focus is on particleboard, similar reasoning applies to other panel products and engineered wood products
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Wood-based panels - an introduction for specialists TiedostoPdf-tiedosto
This publication contains some useful information about wood-based panels and their manufacture.
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Example exam paper TiedostoPdf-tiedosto
Here you can find an example of the type of questions that will be asked in the "home exam". You will also see the instructions about completing the examination.
The exam will be published in My Courses on Wednesday 15th December at 09:00 and you will have one week to complete (by 23:59 on Wednesday 22nd December) the exam and upload your answers to the return box that can be found under "Assignments".
Good luck! If you have any questions about the format of the exam please do not hesitate to get in touch.
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