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The Effect of Feed Rate Variation and Cooling on the Drilling Process of Carbon Fiber and Glass Fiber Composites Reyhan, Rhesa Rama; Andoko , Andoko; Prasetya, Riduwan
Journal of Applied Science, Engineering, Technology, and Education Vol. 6 No. 2 (2024)
Publisher : PT Mattawang Mediatama Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35877/454RI.asci3471

Abstract

Carbon Fiber Reinforced Polymer (CFRP) and Glass Fiber Reinforced Polymer (GFRP) composites have extensive applications in the automotive, aerospace, and manufacturing industries due to their high strength and lightweight properties. However, machining processes such as drilling often encounter challenges such as delamination and tool wear due to the anisotropic nature and low thermal conductivity of these materials. This study evaluates the effect of varying feed rates and cooling methods on drilling quality and delamination levels in CFRP and GFRP composites. The cooling methods tested include dry, nanofluid, and cryogenic cooling. Experimental results indicate that cryogenic cooling produces the best hole quality with the lowest delamination levels, even at high feed rates. These findings provide valuable insights into the interaction between machining parameters and cooling methods, offering solutions to enhance the efficiency and quality of composite drilling processes in the manufacturing industry
LEGAL REVIEW OF THE PROTECTION OF CHILDREN'S RIGHTS IN TERMS OF MAINTENANCE RIGHTS AS A RESULT OF DIVORCE BASED ON THE VALUES OF JUSTICE A STUDY OF DECISIONS IN THE TANJUNG BALAI RELIGIOUS COURT Eddy Sumardi; Henry Aspan; Andoko , Andoko
International Journal of Synergy in Law, Criminal, and Justice Vol. 2 No. 1 (2025): SLP-IJSLCJ
Publisher : PT. Sinergi Legal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70321/ijslcj.v2i1.83

Abstract

Divorce not only affects the relationship between husband and wife, but also has serious consequences for children, especially in terms of custody and support. In the Indonesian legal system, child maintenance rights after divorce are regulated in Law Number 1 of 1974 concerning Marriage which has been amended by Law Number 16 of 2019 and Law Number 35 of 2014 concerning Child Protection. The main principle in determining custody rights is the best interest of the child, as stated in national and international law. In Islamic law, hadhanah is generally given to the mother, especially for children who are not yet mumayyiz. This study aims to analyze legal protection of children's rights in post-divorce maintenance through a case study of the Tanjung Balai Religious Court's decision. The results of the study indicate that there are challenges in the implementation of court decisions, especially in the execution of custody rights and the fulfillment of child support. In some cases, court decisions are not followed by an effective execution mechanism, causing children's rights not to be fully fulfilled. Therefore, a clearer legal reconstruction is needed regarding post-divorce child care, including strengthening regulations regarding child support and the execution of court decisions. In addition, the shared parenting approach can be an alternative in maintaining children's welfare while still involving both parents in their care.
PERSPECTIVE ON PROTECTION OF THE RIGHTS OF MINORS IN MARRIAGE DISPENSATION IN RELIGIOUS COURTS Yanuar Hakim Nst; T.Riza Zarzani; Andoko , Andoko
International Journal of Synergy in Law, Criminal, and Justice Vol. 2 No. 1 (2025): SLP-IJSLCJ
Publisher : PT. Sinergi Legal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70321/ijslcj.v2i1.85

Abstract

Child marriage is still a serious problem in Indonesia even though the minimum age for marriage has been raised through Law Number 16 of 2019. One of the legal loopholes that allows child marriage to continue to occur is the marriage dispensation mechanism that can be submitted to the Religious Court for urgent reasons. In practice, almost all requests for marriage dispensation are granted, with the main reasons being pregnancy outside of marriage and social pressure. This shows that increasing the minimum age for marriage has not been fully effective in preventing child marriage. This study uses a sociological legal approach with a qualitative descriptive method to analyze the legality of marriage dispensation for minors. The results of the study indicate that there is inconsistency in the application of marriage dispensation, where judges often grant requests without considering the child's physical, mental, and social readiness. In addition, there is a contradiction in the regulation, where the Child Protection Law requires parents to prevent child marriage, but on the other hand, the Marriage Law still provides an opportunity to apply for dispensation. From an Islamic legal perspective, child marriage should not only be viewed from a formal legal aspect, but also consider the maqashid sharia, namely protection of the soul, mind, and descendants. Therefore, stricter legal reform is needed in granting marriage dispensation, including strengthening regulations, supervision of religious court decisions, and increasing public awareness of the negative impacts of child marriage. Thus, marriage dispensation must really be used as a last resort (ultimum remedium) in emergency conditions and not as a means to legalize child marriage, so that the protection of children's rights can be realized optimally.
LEGAL REVIEW OF THE POSITION OF ADOPTED CHILDREN IN INHERITING INHERITANCE BASED ON THE COMPILATION OF ISLAMIC LAW (KHI) IN INDONESIA Yasinta Elka Prasastiningrum; Andoko , Andoko; T. Riza Zarzani
International Journal of Synergy in Law, Criminal, and Justice Vol. 2 No. 1 (2025): SLP-IJSLCJ
Publisher : PT. Sinergi Legal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70321/ijslcj.v2i1.86

Abstract

Inheritance of property for adopted children in the Indonesian legal system is still a matter of debate due to the existence of legal pluralism that includes Islamic inheritance law, customary inheritance law, and civil inheritance law. In Islamic law, adopted children do not have inheritance rights because they do not have a blood relationship with their adoptive parents. However, in the Compilation of Islamic Law (KHI), adopted children can obtain a portion of the inheritance of their adoptive parents through the mandatory will mechanism, as regulated in Article 209 of the KHI, with a maximum limit of 1/3 of the total inheritance. This study aims to analyze the legal status of adopted children in the Islamic inheritance system in Indonesia and the implementation of the concept of wajibah will in court decisions. The case study used is the Decision of the Palembang Religious Court Number 2142/Pdt.G/2017/PA.Plg and the Decision of the Palembang High Religious Court Number 35/Pdt.G/2018/PTA.Plg. The results of the study indicate that at the first level, the Palembang Religious Court determined the adopted child as the heir, which is contrary to Islamic law. However, at the appeal level, the Palembang High Religious Court revised the decision by determining the adopted child as the recipient of the wajibah will of 1/6 of the inheritance of his adoptive parents. The application of mandatory wills in this case reflects the flexibility of Islamic law in Indonesia in accommodating developing social practices. Mandatory wills are a legal solution that bridges the need for protection of adopted children while still respecting the rights of biological heirs. Therefore, the existence of mandatory wills in the Islamic inheritance law system in Indonesia is a form of legal reform that aims to create justice and balance in the distribution of inheritance.
LEGAL ANALYSIS OF LEGAL PROTECTION OF THE RIGHTS OF FOR-WIVES AND CHILDREN AFTER DIVORCE IN INDONESIAN LAWS AND REGULATIONS BASED ON THE VALUES OF JUSTICE Ade Syafitri; Andoko , Andoko; Henry Aspan
International Journal of Synergy in Law, Criminal, and Justice Vol. 2 No. 1 (2025): SLP-IJSLCJ
Publisher : PT. Sinergi Legal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70321/ijslcj.v2i1.90

Abstract

Legal protection for the rights of ex-wives and children after divorce in Indonesia still faces challenges in its implementation. Although regulations such as the Marriage Law and the Compilation of Islamic Law have regulated the obligations of ex-husbands to provide iddah, mut'ah, and children's rights, weak law enforcement mechanisms often result in these rights not being fulfilled. The lack of criminal sanctions for negligent ex-husbands, disparity in treatment in cases of divorce by talak and divorce by lawsuit, and low public legal awareness are the main obstacles in the realization of this legal protection. This study uses a normative legal method with a descriptive-analytical approach to examine legal arrangements and related policy implementation. The results of the study indicate that stricter legal reforms are needed, including enforcing sanctions for ex-husbands who do not fulfill their obligations, implementing an inter-agency interconnection system to ensure the execution of decisions, and increasing women's legal awareness so that they can fight for their rights. With a more comprehensive policy, legal protection for women and children after divorce can be more optimal, creating justice based on the principle of welfare.
LEGAL REVIEW OF THE LEGALITY OF MARRIAGE AGREEMENTS OF BROUGHT PROPERTY AND GONO GINI PROPERTY TO REALIZE WELFARE FROM A POSISTIVE LEGAL PERSPECTIVE IN INDONESIA Suwarlan , Suwarlan; Andoko , Andoko; Azhali Siregar
International Journal of Synergy in Law, Criminal, and Justice Vol. 2 No. 1 (2025): SLP-IJSLCJ
Publisher : PT. Sinergi Legal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70321/ijslcj.v2i1.91

Abstract

A marriage agreement is a legal instrument that provides certainty and protection for a husband and wife in regulating the ownership and division of assets, both assets brought into the marriage and joint assets. In practice, disputes regarding assets in a marriage often arise, especially in cases of divorce and inheritance. Positive Indonesian law has regulated the mechanism of a marriage agreement in Law Number 1 of 1974 concerning Marriage, the Civil Code (KUHPerdata), and the Compilation of Islamic Law (KHI). This agreement allows couples to avoid the automatic mixing of assets and regulate their ownership more clearly. In addition to being regulated in positive law, marriage agreements are also based on the principles of contracts in Islam, which emphasize the importance of justice and protection of the rights of couples in marriage. The principle of maqashid sharia, especially hifzh al-mal (protection of property), is the basis for recognizing this agreement as an effort to maintain the welfare and avoid disputes in the future. Constitutional Court Decision Number 69/PUU-XIII/2015 has provided flexibility for couples by allowing marriage agreements to be made not only before but also during the marriage, thus further strengthening legal protection of the rights of couples. However, the implementation of marriage agreements still faces challenges, especially in administrative aspects and the lack of public understanding of the urgency of this agreement. Therefore, wider socialization and harmonization of regulations are needed so that marriage agreements can function effectively in providing legal certainty and justice for married couples in Indonesia. Thus, marriage agreements can be a solution to prevent conflict and maintain household welfare in the future.