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Home > News > Chemicals

New workflow simulation tool for PA parts in contact with water and glycol-based coolant

Source:Adsale Plastics Network Date :2024-06-26 Editor :RC
Copyright: This article was originally written/edited by Adsale Plastics Network (AdsaleCPRJ.com), republishing and excerpting are not allowed without permission. For any copyright infringement, we will pursue legal liability in accordance with the law.

As part of a collaborative project with Toyota (TME), Renault, SOGEFI, Hexagon Manufacturing Intelligence, and AROBAS Technologies, among others, DOMO Chemicals introduces a brand-new workflow simulation tool for polyamide (PA) parts in contact with water and glycol-based coolant.


DOMO Chemicals_THERMOFIP simulation tool_480.jpg


In a collaborative project, DOMO Chemicals introduces a workflow simulation tool for PA parts in contact with water and glycol-based coolant.

 

THERMOFIP workflow enables the prediction of parts resistance evolution after aging, supporting the shaping of right geometries for new parts without the need for numerous tests.

 

Along with automotive applications, the THERMOFIP tool also delivers prediction capabilities for heating and sanitary applications, which also routinely come into contact with water and coolant.

 

THERMOFIP is the last addition to DOMO's MMI simulation offering, which already combines high quality Mechanical - Material modelling and Injection molding simulation.

 

Water and coolant affect mechanical performance

 

The interactions between the compound’s main ingredients (PA and filler) and the main components of the coolant, water and ethylene glycol, are complex.

 

They include plasticization, which significantly decreases the compound’s glass transition temperature and hence mechanical properties in standard operating conditions. They also include chemical degradation, through hydrolysis of the PA chains, and the coolant concentration, which can vary from one side of the part to another.

 

This results in different mechanical performance levels of the material in different points of the part geometry and in time.

 

In addition, the consequences of fiber orientation should also be considered.

 

THERMOFIP optimizes simulation

 

THERMOFIP optimizes the simulation and use of fiber-reinforced plastic parts exposed to water and glycol-based coolants in the automotive cooling segment and plumbing industry.

 

Apart from simulating the behavior of static parts, THERMOFIP can also simulate active components in their different positions with the related local stress effects.

 

When calculating the final mechanical properties of a part made of glass fiber-reinforced polyamide resin, integrative simulation offers the advantage of also taking the forming process into account.

 

“This opens new possibilities for parts optimization with a significant weight reduction of around 20% for the targeted parts,” stated Gilles Robert, Senior Materials Expert.

 

The new prototype simulation chain, designed in collaboration with Hexagon and Arobas Technologies, allows the local degradation of parts to be predicted.

 

Several models now enable the prediction of material degradation levels caused by aging, which can then be used to anticipate the mechanical performance of coolant-exposed polymers. The study also includes the evolution with aging of material mechanical behavior for different fiber orientations.

 

The simulations have been validated by empirical testing. One example is the test run on the Localized Strain Demonstrator, designed and molded by DOMO Chemicals. The target pursued was to exclude failures in proximity of the metallic inserts. Results show a high correlation between experiments and simulations.


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Automotive
DOMO Chemicals
Polyamide (PA)
 Hengli Petrochemical Co.,Ltd      
 Tangshan Zhonghao Chemical Co., Ltd      
  LIAONING NIPPON NANO TECHNOLOGY CO.,LTD      
 Oechsler Plastic Products (Taicang) Co.,Ltd      
 SUZHOU CRG ROBOTICS TECHNOLOGY CO.,LTD.      
 Rongsheng Petrochemical Co., Ltd.      
 Jiangsu Huayang Nylon Co., Ltd      
 Shenzhen Zhenxiong Molds Accessories Co.,Ltd.      
 Zhejiang Pfluon Technology Co., Ltd.      
 Advanced New Materials (Qingdao) Co., Ltd      
 Guangdong Yulong Technology Co., Ltd      
 Sinochem Internation Corporation      

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