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Problema y solución

Respuestas prácticas a los desafíos comunes de los materiales plásticos

740 preguntas
Q
Sintered molded products cracking
A
The parameter control of the sintering process determines the success rate of PEEK pressureless molding
Molding Process sinteringcrackingheating ratepre-pressingthermal stress
Q
Extremely low strength at the weld line
A
PEEK weld lines are the main weak link in the product structure
Molding Process weld linemolecular diffusionmold temperaturesequential valveentanglement
Q
PAN pre-oxidation skin-core structure oxygen content gradient
A
Uniform oxidation is the key to obtaining homogeneous pre-oxidized fiber and ultimately high-quality carbon fiber
Molding Process oxygen content gradientpre-oxidationdiffusiontemperature curve
Q
PAN pre-oxidation process exotherm out of control
A
Pre-oxidation exotherm control is the process safety key in carbon fiber manufacturing
Molding Process pre-oxidationexothermstep heatingcyclization reactiontow density
Q
PAI dimensional change after molding
A
PAI dimensional stability affects precision assembly
Molding Process dimensional changepost-curingthermal expansiondimensional stability
Q
Product deformation during post-curing
A
Deformation during post-curing needs to be controlled by fixtures and slow heating
Molding Process post-curing deformationsizing fixtureheating rate
Q
PAI insufficient post-curing, insufficient performance
A
Post-curing is the decisive step for achieving PAI performance
Molding Process post-curingimidization260°Cheating program
Q
PAEK compression molding defects
A
PAEK compression molding requires sufficient pressure and holding time
Molding Process compression moldingporesdensitypressureholding pressure
Q
Product creep performance substandard
A
The creep performance of LGFPP depends on effective load transfer of the fiber skeleton
Molding Process creepconstant loadstress relaxationhigh molecular weight PPfiber orientation
Q
Product impact strength has directionality
A
The directionality of impact strength is a factor that must be considered in LGFPP structural design
Molding Process impact strengthdirectionalityfiber orientationcrack propagationbridging
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