SAMPE Journal - July/August 2011 - 59
Table 2. Typical machining characteristics with CB1100.
ensure a caul could be produced with high-tolerances and enable exact caul replicas to be cured after long periods of storage time. With the selection of the LTM205 caul material, a wide variety of caul master materials were considered. Traditional materials such as metallic and epoxy board materials have been used with great success in industry; however each material has drawbacks when considered for a high rate program. Physical Characteristics, CB1100 CB1100 is a ceramic based, easily-machined master model material, produced from alumina oxide-based open cell ceramic foam that is made by a powder pressing process followed by high temperature sintering. The resulting block is supplied in manageable-size pieces (primarily individual component weight driven) that are bonded together with a low CTE adhesive. The blocks are fragile and must be adequately supported to resist excessive deformation through self-weight, handling and machining operations. The foam-based construction of this material leads to an enhanced ability to achieve tool surface breathing. Tool surface breathing is an important factor in achieving a pin-hole free surface from OOA cure as discussed previously. Due to the porous nature of the block material, a barrier must be used between the CB1100 and the LTM205 caul material to prevent resin migration into the master surface.
General Processing Steps for CB1100 Master Creation Constructing and finishing a master using the CB1100 is generally straight-forward and does not require specialty equipment or extensive operator training. A basic process for creating and finishing a master is described below per ACG technical guidelines. Design: Many master shapes will require support due to the brittle nature and weight of CB1100. In select applications the support structure can be quite substantial to resist deformation of the CB1100 due to self-weight and without could readily crack due to its fragile nature. Master Construction: Ceramic blocks are bonded together with a temperature capable adhesive similar to home or residential block construction. Care must be taken to ensure low void content in bond lines between blocks during the bonding process. If un-exposed voids are present in the master material vacuum bag pressure may collapse the area during caul cure.
Figure 7. Pin-holes present on caul surface.
SAMPE Journal, Volume 47, No. 4, July/August 2011
Figure 8. Surface screed operation with FS233B filler.
59
SAMPE Journal - July/August 2011
Table of Contents for the Digital Edition of SAMPE Journal - July/August 2011
SAMPE Journal - July/August 2011
Contents
President’s Message
Technical Director’s Corner
Electrically-Heated Ceramic Composite Tooling for Out-of-Autoclave Manufacturing of Large Composite Structures
SAMPE 2011–A Review
SAMPE 2011 Photo Gallery
SAMPE Tech 2011 Conference
SAMPE Tech 2011 Exhibition
Europe News & Views
SAMPE Europe’s SETEC 2011, Leiden
SAMPE Europe’s SEICO 2012, Paris
SAMPE China 2011
12th Japan International SAMPE Symposium and Exhibition – JISSE-12
SAMPE Books & CD’s Order Form
SAMPE Proceedings
SAMPE Journal Editorial Calender
The SAMPE Foundation
Welcome SAMPE’s Newest Members
Rapid/Affordable Composite Tooling Strategies Utilizing Fused Deposition Modeling
Corporate Partners
Industry News
SAMPE 2012 Call for Papers
SAMPE 2012 Exhibition
Materials & Products
SAMPE Asia 2012|Kuala Lumpur, Malaysia
LTM205 OOA Materials for Novel Prepreg Formats for Cauls and Tooling Manufactured from Very Low CTE CB1100 Ceramic Tooling Block
Advertiser’s Index
Resource Center
SAMPE LinkedIn Communities
Industry Events Calendar
Chapter Meetings Dates and Contacts
SAMPE Journal - July/August 2011 - SAMPE Journal - July/August 2011
SAMPE Journal - July/August 2011 - Cover2
SAMPE Journal - July/August 2011 - Contents
SAMPE Journal - July/August 2011 - 2
SAMPE Journal - July/August 2011 - President’s Message
SAMPE Journal - July/August 2011 - 4
SAMPE Journal - July/August 2011 - Technical Director’s Corner
SAMPE Journal - July/August 2011 - Electrically-Heated Ceramic Composite Tooling for Out-of-Autoclave Manufacturing of Large Composite Structures
SAMPE Journal - July/August 2011 - 7
SAMPE Journal - July/August 2011 - 8
SAMPE Journal - July/August 2011 - 9
SAMPE Journal - July/August 2011 - 10
SAMPE Journal - July/August 2011 - 11
SAMPE Journal - July/August 2011 - 12
SAMPE Journal - July/August 2011 - 13
SAMPE Journal - July/August 2011 - 14
SAMPE Journal - July/August 2011 - 15
SAMPE Journal - July/August 2011 - SAMPE 2011–A Review
SAMPE Journal - July/August 2011 - SAMPE 2011 Photo Gallery
SAMPE Journal - July/August 2011 - SAMPE Tech 2011 Conference
SAMPE Journal - July/August 2011 - SAMPE Tech 2011 Exhibition
SAMPE Journal - July/August 2011 - Europe News & Views
SAMPE Journal - July/August 2011 - 21
SAMPE Journal - July/August 2011 - SAMPE Europe’s SETEC 2011, Leiden
SAMPE Journal - July/August 2011 - 23
SAMPE Journal - July/August 2011 - SAMPE Europe’s SEICO 2012, Paris
SAMPE Journal - July/August 2011 - 25
SAMPE Journal - July/August 2011 - SAMPE China 2011
SAMPE Journal - July/August 2011 - 27
SAMPE Journal - July/August 2011 - 12th Japan International SAMPE Symposium and Exhibition – JISSE-12
SAMPE Journal - July/August 2011 - SAMPE Books & CD’s Order Form
SAMPE Journal - July/August 2011 - SAMPE Proceedings
SAMPE Journal - July/August 2011 - 31
SAMPE Journal - July/August 2011 - SAMPE Journal Editorial Calender
SAMPE Journal - July/August 2011 - The SAMPE Foundation
SAMPE Journal - July/August 2011 - Welcome SAMPE’s Newest Members
SAMPE Journal - July/August 2011 - 35
SAMPE Journal - July/August 2011 - 36
SAMPE Journal - July/August 2011 - Rapid/Affordable Composite Tooling Strategies Utilizing Fused Deposition Modeling
SAMPE Journal - July/August 2011 - 38
SAMPE Journal - July/August 2011 - 39
SAMPE Journal - July/August 2011 - 40
SAMPE Journal - July/August 2011 - 41
SAMPE Journal - July/August 2011 - 42
SAMPE Journal - July/August 2011 - 43
SAMPE Journal - July/August 2011 - 44
SAMPE Journal - July/August 2011 - Corporate Partners
SAMPE Journal - July/August 2011 - Industry News
SAMPE Journal - July/August 2011 - 47
SAMPE Journal - July/August 2011 - SAMPE 2012 Call for Papers
SAMPE Journal - July/August 2011 - SAMPE 2012 Exhibition
SAMPE Journal - July/August 2011 - Materials & Products
SAMPE Journal - July/August 2011 - 51
SAMPE Journal - July/August 2011 - SAMPE Asia 2012|Kuala Lumpur, Malaysia
SAMPE Journal - July/August 2011 - 53
SAMPE Journal - July/August 2011 - LTM205 OOA Materials for Novel Prepreg Formats for Cauls and Tooling Manufactured from Very Low CTE CB1100 Ceramic Tooling Block
SAMPE Journal - July/August 2011 - 55
SAMPE Journal - July/August 2011 - 56
SAMPE Journal - July/August 2011 - 57
SAMPE Journal - July/August 2011 - 58
SAMPE Journal - July/August 2011 - 59
SAMPE Journal - July/August 2011 - 60
SAMPE Journal - July/August 2011 - 61
SAMPE Journal - July/August 2011 - Advertiser’s Index
SAMPE Journal - July/August 2011 - 63
SAMPE Journal - July/August 2011 - Resource Center
SAMPE Journal - July/August 2011 - 65
SAMPE Journal - July/August 2011 - 66
SAMPE Journal - July/August 2011 - 67
SAMPE Journal - July/August 2011 - 68
SAMPE Journal - July/August 2011 - 69
SAMPE Journal - July/August 2011 - 70
SAMPE Journal - July/August 2011 - SAMPE LinkedIn Communities
SAMPE Journal - July/August 2011 - Chapter Meetings Dates and Contacts
SAMPE Journal - July/August 2011 - Cover3
SAMPE Journal - July/August 2011 - Cover4
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